Journal of Personality Assessment
ISSN: 0022-3891 (Print) 1532-7752 (Online) Journal homepage: https://www.tandfonline.com/loi/hjpa20
Dimensionality, Reliability, Invariance, and Validity
of the Multidimensional Social Anxiety Response
Inventory–21 (MSARI–21)
James Deller, Jessica Perrotte, Katherine Wainwright, Joshua Brunsman &
Augustine Osman
To cite this article: James Deller, Jessica Perrotte, Katherine Wainwright, Joshua Brunsman
& Augustine Osman (2019): Dimensionality, Reliability, Invariance, and Validity of the
Multidimensional Social Anxiety Response Inventory–21 (MSARI–21), Journal of Personality
Assessment
To link to this article: https://doi.org/10.1080/00223891.2019.1569529
Published online: 25 Mar 2019.
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JOURNAL OF PERSONALITY ASSESSMENT
https://doi.org/10.1080/00223891.2019.1569529
Dimensionality, Reliability, Invariance, and Validity of the Multidimensional
Social Anxiety Response Inventory–21 (MSARI–21)
James Deller
, Jessica Perrotte
, Katherine Wainwright, Joshua Brunsman, and Augustine Osman
Department of Psychology, The University of Texas at San Antonio
ABSTRACT
ARTICLE HISTORY
Research shows that social anxiety disorder (SAD) is prevalent in the United States, and could
interfere with many aspects of a person’s life. Although numerous psychological instruments have
been developed to measure presence and intensity levels of social anxiety, these instruments fail
to capture the range of responses individuals use to mitigate the negative affect associated with
the anxiety, namely alcohol use and anger distress. Recently, the Multidimensional Social Anxiety
Response Inventory–21 (MSARI–21) was developed to address this limitation and increase our
understanding of the complexity of social anxiety. We expand on this work by evaluating the psychometric properties of the instrument, using a combination of exploratory structural equation
and bifactor modeling, and item response techniques. Across 2 studies, data indicated the presence of a strong, 3-factor structure (i.e., anger distress, alcohol reliance, and social avoidance),
strong internal consistency, and evidence of both convergent and discriminant validity. In addition, results showed that the MSARI–21 multidimensional structure was invariant across gender.
We conclude that the MSARI–21 is a valid and valuable tool for assessing individuals’ responses to
social anxiety, and that future research should evaluate the instrument within other samples to
ensure its utility across clinical and subclinical populations.
Received 30 April 2018
Accepted 2 December 2018
Social anxiety disorder (SAD) is a psychological disorder in
which individuals experience feelings of intense fear or anxiety in social situations, largely due to their expectations of
being (negatively) evaluated by other people.1 In addition to
intense negative emotional states, SAD can also interfere
with an individual by adversely influencing their social, professional, and recreational activities (e.g., Buckner &
Heimberg, 2010; Lochner et al., 2003). Unfortunately, SAD
is one of the most common psychological disorders within
the United States (Kessler, Berglund, et al., 2005; Kessler,
Chiu, Demler, & Walters, 2005). Given the widespread
nature of the disorder and the negative impacts on functioning, SAD has been the focus of attention for clinicians and
researchers alike. For example, the fifth edition of the
Diagnostic and Statistical Manual of Mental Disorders
(DSM–5; American Psychiatric Association, 2013) made a
number of definitional changes to SAD (B€
ogels et al., 2010)
to aid in clinical research and diagnoses. In addition, several
instruments have been developed to better assess the symptoms individuals experience, and identify the social situations or states that could exacerbate the disorder. Examples
include the Brief Fear of Negative Evaluation Scale (BFNE;
Leary, 1983), the Liebowitz Social Anxiety Scale (LSAS;
Liebowitz, 1987), and the Social Phobia and Anxiety
Inventory (SPAI; Turner, Beidel, Dancu, & Stanley, 1989).
CONTACT James Deller
78249, USA.
jamescdeller@gmail.com
Although existing self-report measures of social anxiety
provide important screening or assessment information, it is
important to note that these instruments often assess different aspects of social anxiety (Modini, Abbott, & Hunt,
2015). For example, many emphasize the degree of distress
felt from social anxiety (e.g., the Social Phobia and Anxiety
Inventory [SPAI–23]; Roberson-Nay, Strong, Nay, Beidel, &
Turner, 2007) rather than the responses to that distress.
Those that measure behavioral responses to social anxiety
(e.g., the Subtle Avoidance Frequency Examination [SAFE];
Cuming et al., 2009) typically capture only a single dimension of social anxiety (i.e., frequency of avoidance or safety
behaviors). To understand fully the nature of the social anxiety construct, researchers and clinicians must investigate a
wider range of emotional and behavioral responses linked to
social anxiety across empirically supported dimensions of
the construct. That is, individuals with social anxiety might
respond in ways other than these safety behaviors or social
avoidance, such as reacting with anger or turning to alcohol
to cope. Although such behaviors have been linked to social
anxiety within the broader literature, they have largely been
ignored by current social anxiety measures. To address this
gap, Osman, Freedenthal, Acosta, and Pirani (2015) recently
developed the Multidimensional Social Anxiety Response
Department of Psychology, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX
ß 2019 Taylor & Francis Group, LLC
1
We indicated the “negative” in parentheses because of the ongoing discussion in the extant literature that social anxiety should be reconceptualized to
consider anxiety-related responses to positive comments (see, e.g., Skocic, Jackson, & Hulbert, 2015).
2
DELLER ET AL.
Inventory–21 (MSARI–21) to better assess and understand
the reasons individuals with social anxiety behave in such
ways in response to being observed, criticized, or judged in
various social situations. In this project, we build on this
research through an examination of the psychometric properties of the MSARI–21 in two new nonclinical samples. In
the next section, we briefly review the literature on the common affective and behavioral responses to social anxiety that
informed the development of the instrument and provide a
summary of steps in the construction of the instrument
(more detailed analyses are reported in the unpublished
manual; Osman et al., 2015).
Social anxiety and social avoidance
One of the most common ways people with social anxiety
might respond to potentially distressing social situations is
to avoid them altogether. For example, people who experience marked social anxiety might refuse to attend a social
event or only make a brief appearance and leave early to
manage their social anxiety symptoms. Indeed, social avoidance has been so closely linked to SAD that it is used in the
diagnoses and assessment of the disorder per the DSM–5
(American Psychiatric Association, 2013). Several existing
measures examining social avoidance, such as the LSAS
(Liebowitz, 1987) and the Social Avoidance and Distress
Scale (SADS; Watson & Friend, 1969) include measures of
social avoidance to determine severity of social anxiety.
Although avoiding potentially stressful social situations
might help prevent experiencing SAD symptoms, such
behaviors are maladaptive and can have significant negative
consequences. For example, many career paths require
extensive social interaction situations (e.g., making presentations at formal or informal meetings at a workplace). People
who experience social anxiety and consequently avoid these
events or situations could be limiting their job opportunities
or their career advancements (Wittchen & Beloch, 1996).
Additionally, such behaviors might lead to other mental
health difficulties. In support of this, Moitra, Herbert, and
Forman (2008) found that avoidance behavior was a significant mediating factor between SAD and the development of
major depressive disorder.
Social anxiety and alcohol use
Individuals who present with social anxiety might also try to
cope with their fear or anxiety by turning to the use of illicit
or licit substances (in particular, alcohol). Among researchers, the notion that alcohol is used to reduce tension associated with anxiety and serve as a “social lubricant” is not
new (see Critchlow, 1986). For those who experience social
anxiety, using alcohol to cope with social situations could be
a desirable strategy for a number of reasons. As suggested
by a recent model of social anxiety and substance use
(Buckner, Heimberg, Ecker, & Vinci, 2013), alcohol might
increase positive affect when confronted with a social situation, attenuate an individual’s fear of negative appraisals
from others, or help facilitate social interactions. Note,
however, that research does not necessarily suggest that
increased alcohol use is a hallmark of increased social anxiety (e.g., Ham, Bacon, Carrigan, Zamboanga, & Casner,
2016; Ham, Zamboanga, Olthuis, Casner, & Bui, 2010).
Rather, research indicates social anxiety might be related to
alcohol use through both positive and negative alcohol
expectancies (Ham et al., 2016).
Ham and colleagues (2010) reported that students who
endorsed greater amounts of social anxiety did not engage in
as much drinking as students who reported less social anxiety.
However, students with social anxiety had stronger expectations that alcohol use would reduce tension compared to students who were not as socially anxious (Ham et al., 2010).
Similarly, Buckner and Heimberg (2010) found people who
endorsed high levels of social anxiety did not differ in their
reports of drinking (in either quantity or frequency) compared to individuals with lower levels of social anxiety, but
were more likely to report using alcohol as an aid for social
situations. It is important to note that although people who
present with social anxiety might not necessarily be drinking
more, SAD is related to an increased prevalence of alcohol
use disorder (AUD; Morris, Stewart, & Ham, 2005). Indeed,
over a 14-year longitudinal study, individuals with SAD were
more likely to develop an alcohol dependence condition compared to those without SAD (Buckner et al., 2008).
Social anxiety and anger distress
Research indicates people with anxiety disorders might also
be more prone to reacting with feelings of anger or aggression. Moscovitch, McCabe, Antony, Rocca, and Swinson
(2008) found that individuals with panic disorders and those
with social phobia disorders were more likely to experience
feelings of anger compared to control groups. Similarly,
another study showed that individuals who met the criteria
for generalized anxiety disorder (GAD) reported higher levels of trait anger and hostility compared to those who did
not (Desch^enes, Dugas, Fracalanza, & Koerner, 2012).
Desch^enes and colleagues also found that the measures of
anger and hostility were significant predictors of the overall
severity of the anxiety symptoms. Regarding social anxiety
specifically, individuals with social anxiety have been found
to spend greater portions of their day feeling angry compared to those without social anxiety (Kashdan & Collins,
2010). In addition to having higher levels of state and trait
anger, individuals with social anxiety also display an
increased tendency to react with anger to negative events
(e.g., being criticized) as well as without direct provocation
(Erwin, Heimberg, Schneier, & Liebowitz, 2003).
The link between anger and social anxiety might be due to
individuals who present with social anxiety using less effective
strategies to regulate their emotions. Research shows that
individuals with social anxiety tend to engage in rumination
and suppression strategies to regulate their emotional states
(e.g., Blalock, Kashdan, & Farmer, 2016; Kocovski, Endler,
Rector, & Flett, 2005). Both of these regulation strategies have
been found to be ineffective at regulating anger, typically
resulting in the anger being maintained or decreasing overall
MSARI–21 PSYCHOMETRICS
positive affect (e.g., Gross, 2002). This is consistent with
Erwin et al. (2003), who found that people with SAD were
more likely to engage in suppression strategies to control
their anger and were more likely to display higher state and
trait anger compared to nonclinical controls.
Brief overview of the development of the MSARI–21
Osman and colleagues (2015) noted that one major limitation of most existing self-report instruments is the use of
the essential symptoms of social anxiety symptoms (i.e.,
intensity of fear or anxiety about being criticized or judged).
In addition, other instruments tend to be composed of specific situations (e.g., participating in a small group event and
asking an attractive person of the opposite sex for a date)
that elicit anxiety-related responses (e.g., avoidance) or
assess a relatively narrow range of responses (e.g., safety
behaviors to minimize or conceal symptoms). Accordingly,
Osman and colleagues (2015) noted the need for a measure
that would assess several content-specific responses and the
thoughts behind these responses within individuals with
SAD. Although a battery of existing psychological instruments could theoretically be developed to investigate such
responses and their underlying causes, Osman and colleagues (2015) sought to develop a more concise and specific
measure to minimize participant burden and fatigue.
Osman and colleagues (2015) conceptualized several
dimensions (i.e., social avoidance, anger distress, and alcohol
reliance) for enhancing our understanding of the functioning of individuals who present with SAD. Specifically, social
avoidance refers to a general tendency to avoid social situations. Anger distress refers to a general tendency to experience internalized anger within social situations. Finally,
alcohol reliance refers to an individual’s tendency to use
alcohol as a means to alter his or her behaviors and control
anxiety in social situations. The authors highlighted the
importance of assessing these affective and behavioral
responses of social anxiety and the underlying thoughts
behind these responses, asserting such a measure would be
invaluable to the understanding of the nature of SAD.
Because maladaptive responses to SAD can exacerbate the
disorder or contribute to the development of other psychological problems (e.g., substance abuse, loneliness, depression), a measure that can quickly identify and assess
content-specific responses and underlying thoughts could be
instrumental in SAD treatment.
Following the conventional qualitative steps (i.e., generating items from multiple sources, reviewing items for content
specificity, clarity, and relevancy), Osman et al. (2015) developed the MSARI–21 across two studies, examining the factor structure of the instrument as well as convergent and
discriminant validity.2
2
The analyses for each of these studies are available in detail in an
unpublished manual (Osman et al., 2015). Results from these studies provided
strong empirical support for a three-factor model (i.e., anger distress, alcohol
reliance, and social avoidance), and each factor was comprised of seven items.
3
In one of the pilot investigations, undergraduate students
(N ¼ 15), who obtained high scores on the Social Anxiety
Life Interference (SALI) scale of the Social Anxiety and
Depression Life Interference Inventory (SADLI; see Garcia,
Acosta, & Osman, 2016; Osman, Bagge, Freedenthal,
Gutierrez, & Emmerich, 2011) contributed to (a) generating
items, and (b) evaluating the content relevancy of the final
version of the instrument (see Osman et al., 2015).
Overview of objectives and planned analyses
The goal of this project was to use modern statistical techniques to further examine the psychometric properties of the
MSARI–21 instrument. Specifically, we identified the following objectives to guide this project:
1.
2.
3.
4.
Examine confirmatory data for the multidimensional
structure of the MSARI–21 items (Study 1; N ¼ 629).
Reexamine evidence of internal consistency reliability
for scores on the MSARI–21 scales by calculating
internal consistency reliability estimates using alternative estimation methods (Study 1; N ¼ 629).
Examine measurement invariance across male and
female study participants for the items within each
MSARI–21 scale (Study 1).
Establish evidence of convergent and discriminant validity estimates for the MSARI–21 scale scores using
empirically grounded measures available within the literature (Study 2).
For the first objective, we adopted exploratory structural
equation modeling (ESEM) and bifactor modeling techniques. An advantage of ESEM is that it incorporates aspects
from both exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) to overcome inherent limitations
in either technique. That is, unlike the conventional CFA
strategy, ESEM allows items to load freely across factors and
thus is less restrictive and allows for interpretable item-factor loadings or factor intercorrelations (Marsh, Morin,
Parker, & Kaur, 2014).
We conducted ESEM with Mplus version 7.4 (Muthen &
Muthen, 1998–2011), comparing the fit of two models (a
unidimensional model and the proposed three-factor oblique
model) using a robust maximum likelihood estimator
(MLR) and oblique geomin rotation. In addition to v2 values, we also assessed model fit using the following indexes
and suggested cutoffs: comparative fit index (CFI) and
Tucker–Lewis Index (TLI), values .95 (Schermelleh-Engel,
Moosbrugger, & M€
uller, 2003); root mean square error of
approximation (RMSEA), values .08 (Browne & Cudeck,
1993); and standardized root mean square residual (SRMR),
values .08 (Hu & Bentler, 1999).
We also estimated an ESEM bifactor model, in which
items are specified to load on their respective factors (i.e.,
specified subscales) as well as on a “general” factor (i.e., an
underlying factor of “general social anxiety”). This procedure
allowed us to calculate two additional indexes to interpret the
dimensionality of the instrument: the explained common
4
DELLER ET AL.
variance (ECV) and the percentage of uncontaminated correlations (PUC). The ECV refers to the proportion of common
variance that is due to the underlying general factor relative
to the common variance explained by the group factors
(Reise, 2012). PUC refers to the ratio of the number of
“uncontaminated” matrix correlations (i.e., correlations due
solely to the general factor) to total number of unique correlations. High ECV and PUC values suggest stronger influence
of the general factor, and thus suggest unidimensionality,
whereas lower values suggest multidimensionality. Reise,
Scheines, Widaman, and Haviland (2013) suggested using an
ECV benchmark of .60 when PUC values are less than .80.
The second objective served to extend previous work
with the MSARI–21 by calculating internal consistency reliability estimates for the scale scores. Although Cronbach’s
coefficient a (Cronbach, 1951) is typically used for this purpose, it might often be an inaccurate estimate due to unrealistic assumptions. That is, coefficient a can underestimate
reliability when the assumption of tau-equivalence is violated, and overestimate when the assumption of uncorrelated
error variances is violated (Raykov & Marcoulides, 2015).
Due to these potential issues, we calculated point and interval estimates for coefficient x (McDonald, 1999), which
does not hold these assumptions. This measure of internal
consistency reliability was calculated using the R package
‘coefficient alpha’ (Zhang & Yuan, 2016).
For the third objective, we assessed measurement invariance across male and female participants. To ensure items
on the MSARI–21 scales have the same interpretation across
these groups, we conducted differential item functioning
(DIF) analyses using Item Response Theory for Patient
Reported Outcomes (IRTPRO) Version 4.2 for each of the
three scales (Cai, Thissen, & du Toit, 2011). This approach
allowed us to calculate the DIF (v 2 cja) and fit statistics (S
– v2) for each item for both males and females.
In Study 2, we examined evidence for convergent and
discriminant validity estimates of the MSARI–21 scale scores
by assessing the associations between the MSARI–21 individual scale scores and scores on well-established self-report
measures of drinking motives, anger expression, social phobia and anxiety, and other psychiatric symptoms found
within the broader literature. We predicted that the
MSARI–21 scale scores would be moderately to highly correlated with scores on measures of similar constructs. To
this end, we used SPSS version 22 and R software (Version
3.3.3) to examine the pattern of associations between scores
on the Anger Distress, Alcohol Reliance, and Social
Avoidance scales of the MSARI–21 to scores on other
empirically established measures of expressions of anger,
drinking behaviors, and social anxiety.
Study 1
Method
Participants
Following institutional review board (IRB) approval, the
SONA-Qualtrics Web platform was used to administer the
questionnaires to undergraduate students at a large
Southwestern state university. The questionnaire could be
completed within 30 to 35 min. Accordingly, of the initial
pool of 640 participants, data for individuals (n ¼ 11) completing the study within 5 min or less were not included in
the current analyses. The final sample with complete itemlevel data included 629 participants (408 females, 221 males;
M ¼ 19.78 years, SD ¼ 3.44 years). The self-reported ethnic
background of this sample was 47.7% Hispanic, 28.1%
Caucasian or White, 7.6% African American, 9.4% Asian,
4.9% biracial or multiethnic, and 2.2% Middle Eastern.
Procedure
Measures
Multidimensional
Social
Anxiety
Response
Inventory. The MSARI–21 (Osman et al., 2015) is a 21item measure that assesses the affective and behavior
responses and underlying reasoning for these responses
within individuals with SAD. Participants read over several
reactions to social evaluations or interactions and rate how
well each describes their own thoughts, feelings, or behaviors, using a 5-point scale ranging from 1 (strongly disagree)
to 5 (strongly agree). The measure consists of three sevenitem scales: Anger Distress, Alcohol Reliance, and Social
Avoidance. The Anger Distress scale assesses the extent to
which the individual responds to socially anxious situations
by experiencing internalized anger in response to being evaluated (negatively or positively) and specific reasons for this
behavior (e.g., feeling judged by others). The Alcohol
Reliance scale assesses the extent to which the individual
uses alcohol to cope with feelings of social anxiety and
underlying reasons (e.g., alcohol improves self-presentation).
The Social Avoidance scale assesses avoidance and specific
reasons for avoiding social situations or interactions (e.g.,
uncertainty about being called upon to say or do something). For copyright reasons, permission was granted for
reproducing only abbreviated items.
Results
ESEM and bifactor models
Fit indexes for the tested models are shown in Table 1. The
one-factor model showed very poor fit for the sample data,
v2(189) ¼ 4,678.71, p < .001; CFI ¼ 0.38, TLI ¼ 0.31,
RMSEA ¼ 0.19, CI [.19, .20], SRMR ¼ .21. However, the
three-factor oblique model showed good fit, v2(150) ¼
391.46, p < .001; CFI ¼ 0.97, TLI ¼ 0.95; RMSEA ¼ 0.05,
90% CI [.04, .06], SRMR ¼ .02. In addition, as shown in
Table 2, scale items in this model showed strong loadings
on their predicted factors, with minimal cross-loadings. The
bifactor model, v2(132) ¼ 272.57, p < .001; CFI ¼ 0.98, TLI
¼ 0.97, RMSEA ¼ 0.04, 90% CI [.03, .05], SRMR ¼ .02,
also demonstrated good fit to the sample data. As noted previously, the bifactor model allows the researcher to calculate
bifactor-specific indexes (ECV ¼ .38, PUC ¼ .70). Taken as
a whole, these results provide further evidence for the multidimensionality of the MSARI–21, and that each of the three
MSARI–21 PSYCHOMETRICS
Table 1. Model fit statistics for Study 1 and Study 2.
90% CI
for
RMSEA
Study 1
One-factor
Three-factor
Bifactor
Study 2
Three-factor
v2
df
CFI
TLI
SRMR
RMSEA
LL
UL
4678.71
391.46
272.57
189
150
132
.38
.97
.98
.31
.95
.97
.21
.02
.02
.19
.05
.04
.19
.04
.03
.20
.06
.05
491.37
186
.92
.91
.05
.08
.07
.09
Note.
CFI ¼ comparative
fit
index;
TLI ¼ Tucker–Lewis
Index;
SRMR ¼ standardized root mean square residual; RMSEA ¼ root mean square
error of approximation; LL ¼ lower limit; UL ¼ upper limit.
p < .001.
Table 2. Standardized factor loadings for Study 1.
Three-factor model
Item One-factor model AngD
1
2
6
9
14
16
19
5
8
10
12
17
20
21
3
4
7
11
13
15
18
.41
.44
.39
.51
.52
.53
.49
.42
.37
.39
.44
.47
.38
.46
.73
.72
.81
.76
.81
.77
.80
.67
.72
.74
.78
.80
.83
.79
.01
.01
.01
.00
.01
.01
.00
.01
.12
.04
.22
.00
.04
.01
AlcR
.04
.05
.06
.05
.05
.01
.03
.82
.89
.92
.85
.64
.91
.91
.03
.04
.03
.01
.01
.02
.00
Bifactor model
SocA General AngD
.04
.01
.12
.01
.05
.01
.01
.05
.04
.02
.06
.18
.03
.05
.78
.82
.85
.64
.88
.80
.86
.22
.17
.24
.28
.21
.25
.22
.82
.85
.90
.88
.72
.89
.93
.24
.28
.28
.31
.32
.28
.30
AlcR
SocA
.64
.69
.70
.75
.76
.78
.74
.30
.35
.13
.08
.18
.01
.02
.76
.79
.79
.59
.82
.74
.79
Note. N ¼ 629. AngD ¼ Anger Distress; AlcR ¼ Alcohol Reliance; SocA ¼ Social
Avoidance. Factor loadings > .40 are shown in bold.
scales should be scored separately rather than combined into
a total score.
Internal consistency reliability
Given the evidence for multidimensionality, we calculated
the internal consistency reliability estimates and related 95%
confidence intervals for each scale score of the MSARI–21.
As shown in Table 3, all three-scale scores demonstrated
excellent estimates of internal consistency reliability.
Measurement invariance
To determine if items within each scale would be useful
across important demographic groups, we examined item
functioning across males and females for each scale separately. The complete DIF and fit statistics are displayed in
Table 4. To assess adequacy of the discrimination parameters, we used the range of values recommended by Baker
and Kim (2004). Within the Anger Distress scale, we found
that the discrimination parameters were very high for males,
ranging from 2.01 (Item 1) to 3.79 (Item 14). Similarly, the
discrimination parameters were high to very high for
5
Table 3. Descriptive statistics and reliability estimates for Study 1 and
Study 2.
M
SD
x
95% CI
Study 1 (N ¼ 629)
Alcohol Reliance
Social Avoidance
Anger Distress
Scale
12.91
14.03
16.53
6.95
6.69
6.53
.95
.93
.90
[.94, .96]
[.92, .94]
[.89, .92]
Study 2 (N ¼ 250)
Alcohol Reliance
Social Avoidance
Anger Distress
10.78
13.18
15.56
5.98
6.67
6.58
.94
.92
.90
[.92, .96]
[.90, .94]
[.89, .91]
Note. x ¼ coefficient x.
females, ranging from 1.63 (Item 1) to 3.55 (Item 16).
Furthermore, the comparative analysis found no evidence of
DIF between the groups for the Anger Distress scale items.
Within the Alcohol Reliance scale, the discrimination
parameters for the items were very high for both males and
females, ranging from 2.59 (Item 17) to 5.73 (Item 21) and
2.77 (Item 17) to 6.38 (Item 10), respectively. The analysis
revealed mixed evidence for Item 10 (“It is helpful to me to
have a drink containing alcohol before a social event”), as
the DIF statistic approached significance for this single item.
Further, the item-level diagnostic statistics for this item were
significant for females, suggesting that this item could be
performing differently between genders. However, we
decided to retain this item for three reasons. First, the DIF
only approached significance; second, retaining or dropping
a single item would not substantially affect the overall score
of the Alcohol Reliance scale; finally, we opted to retain the
item to maintain the content validity of the scale.
Within the Social Avoidance scale, the discrimination
parameters for the items were very high for both males,
ranging from 2.20 (Item 4) to 3.81 (Item 13) and females,
ranging from 2.21 (Item 17) to 3.45 (Item 7). Similar to the
Anger Distress scale, there was no evidence of DIF for any
of the Social Avoidance scale items.
Study 2
Method
Participants and procedure
The final sample for Study 2 was 250 undergraduate participants (161 female, 89 male; M ¼ 19.74 years, SD ¼ 4.29
years), after removing data for 8 participants who completed
the questionnaires within 5 min or less. The self-reported
ethnic background information for this sample was 54.4%
Hispanic, 18.8% Caucasian or White, 12.0% African
American, 8.4% Asian, 3.2% biracial or multiethnic, 1.2%
Middle Eastern, 1.2% other ethnicities, and 0.8% American
Indian or Indigenous. All participants provided informed
consent and completed several questionnaires including the
MSARI–21, a demographic questionnaire, and several concurrent instruments discussed in the measures subsection.
Measures
Drinking Motives Questionnaire, Revised. The Drinking
Motives Questionnaire, Revised (DMQ–R; Cooper, 1994) is a
6
DELLER ET AL.
Table 4. Fit statistics for differential item functioning analysis.
Fit statistics
a
Femalesb
Males
Scale
Anger distress
Alcohol reliance
Social avoidance
Item
1
2
6
9
14
16
19
5
8
10
12
17
20
21
3
4
7
11
13
15
18
a
2.01
2.42
2.06
3.05
3.79
2.98
3.24
3.14
4.75
5.53
3.93
2.59
5.34
5.73
2.27
2.20
3.44
2.75
3.81
3.02
2.96
SE
0.24
0.28
0.25
0.36
0.50
0.36
0.43
0.37
0.60
0.76
0.48
0.35
0.72
0.83
0.27
0.27
0.45
0.37
0.52
0.39
0.37
2
S–v
50.74
50.83
66.29
42.08
38.39
43.24
32.99
39.27
43.93
38.50
54.02
44.12
39.87
36.73
37.80
48.94
29.06
62.62
24.09
34.99
40.35
df
39
37
46
34
30
35
29
38
33
28
32
30
24
25
36
38
27
35
26
29
33
p
.10
.06
.03
.16
.14
.16
.28
.41
.09
.09
.01
.05
.02
.06
.39
.11
.36
.01
.57
.20
.18
a
1.63
1.96
1.85
2.53
2.80
3.55
2.71
3.80
4.37
6.38
5.02
2.77
5.37
8.86
2.57
2.62
3.45
2.21
3.59
2.85
3.34
SE
0.30
0.34
0.33
0.44
0.50
0.60
0.48
0.36
0.42
0.74
0.54
0.31
0.59
1.40
0.22
0.23
0.33
0.20
0.36
0.26
0.32
2
S–v
69.67
68.95
69.53
58.73
39.65
44.25
54.28
48.43
56.25
43.47
49.14
57.34
38.48
20.80
41.96
52.64
52.85
104.72
35.00
53.74
44.67
DIF statistics
df
60
57
61
50
46
42
42
43
33
27
31
34
30
22
44
47
40
48
35
41
40
p
.18
.13
.21
.19
.73
.38
.10
.26
.01
.02
.02
.01
.14
.53
.56
.26
.08
.00
.47
.09
.28
v2cja
5.7
4.8
4.2
6.9
2.7
2.3
1.8
2.5
3.3
11.3
1.8
0.5
0.5
1.0
2.3
1.0
2.0
1.3
1.5
0.8
7.5
p
.22
.32
.38
.14
.62
.69
.78
.65
.50
.02
.78
.97
.97
.91
.68
.91
.73
.87
.83
.94
.11
Note. DIF ¼ differential item functioning; a ¼ discrimination parameter; SE ¼ standard error; S – v2 ¼ item fit statistics; df ¼ degrees of freedom. Values shown
in bold represent items where significant DIF was potentially detected.
a
n ¼ 221. bn ¼ 408.
20-item instrument that assesses different motives individuals
might have for using alcohol. Participants read over the different reasons people might drink, and indicate how often
each is a factor in their own drinking behavior, using a 5point scale ranging from 1 (almost never) to 5 (almost
always). The instrument is composed of four five-item subscales, tapping into different drinking motives (social, coping,
enhancement, and conformity). Social motives include using
alcohol as a way to celebrate, or improve special occasions or
social events. Coping motives include using drinking as a way
to ignore or reduce one’s negative thoughts and feelings.
Enhancement motives include drinking to enhance a positive
mood. Conformity motives include using alcohol as a means
to “fit in” with others as well as to avoid negative social
repercussions such as ridicule and rejection.
State–Trait Anger Expression Inventory. The 32-item
Anger Expression scale of the State–Trait Anger Expression
Inventory (STAXI-2; Spielberger, 1999) assessed how participants experience, express, and control their anger. This scale
is composed of four eight-item subscales: the ExpressionOut (AX-O), Anger Expression-In (AX-I), Anger ControlOut (AC-O), and Anger Control-In (AC-I). For each, participants indicate how often they engage in specific reactions
or behaviors when they feel angry, using a 4-point scale
ranging from 1 (almost never) to 4 (almost always). The
AX-O subscale captures the extent to which individuals
express their anger through outward behaviors, such as
slamming doors or yelling at those around them. The AX-I
subscale measures the extent to which individuals try to
“bottle up” their anger. The AC-O subscale measures how
often individuals attempt to control their anger by actively
monitoring and controlling their behaviors. The AC-I subscale captures the extent to which individuals attempt to
control their anger by making themselves calm down or
“cool off.” Scores on these subscales are also used to calculate an overall anger expression index (AX index) for
each individual.
Social Phobia and Anxiety Inventory. The SPAI–23
(Roberson-Nay et al., 2007) is a 23-item measure of social
(16 items) and agoraphobic anxiety (7 items). Items on the
agoraphobic scale assess anxiety that arises from perceptions
of the setting (e.g., open spaces, public transportation) rather
than interactions with others. Participants report how often
they experience various thoughts or feelings when responding to the questionnaire items, using a 5-point scale ranging
from 0 (never) to 4 (always). Scores on the agoraphobia subscale can be subtracted from scores on the social anxiety
scale to provide a more accurate measure of SAD (Turner,
Beidel, & Dancu, 1996).
Symptom Assessment 45 Inventory. The Symptom
Assessment 45 Inventory (SA–45; Maruish, Bershadsky, &
Goldstein, 1998) is a multidimensional checklist of psychiatric symptoms. The instrument asks individuals to rate how
much they were bothered by each symptom over the last
week, using a 5-point scale ranging from 1 (not at all) to 5
(extremely). It is composed of nine five-item subscales: anxiety (e.g., “Feeling tense or keyed up”), depression (e.g.,
“Feeling no interest in things”), hostility (e.g., “Shouting or
throwing things”), interpersonal sensitivity (e.g., “Feeling
that people are unfriendly or dislike you”), obsessive–compulsive disorder (e.g., “Having to check and double-check
what you do”), paranoid ideation (e.g., “Feeling that most
people cannot be trusted”), phobic anxiety (e.g., “Feeling
afraid in open spaces or on the streets”), psychoticism (e.g.,
“Hearing voices that other people do not hear”), and somatization (e.g., “Soreness of your muscles”). Scores on each
MSARI–21 PSYCHOMETRICS
7
Table 5. Standardized factor loadings for Study 2.
MSARI–21
Abbreviated item
1. I get mad easily … in front of other people.
2. I get intensely angry … when I say or do something.
6. I feel like telling people off … comments about me.
9. I feel intensely annoyed … comments about what I say or do.
14. My anger toward people … be quite intense.
16. I experience intense feelings … failings.
19. I feel the urge … in a social situation.
5. Drinking alcohol helps … talking with people.
8. Drinking alcohol before … comfortably with other people.
10. It is helpful to me … before a social event.
12. I have better control … contains alcohol.
17. I am only able … a drink containing alcohol.
20. Having a drink … my presentation or performance.
21. It usually works best … social gathering.
3. I avoid social events because … be expected to do or say.
4. I avoid social get-togethers because … myself to other people.
7. I often find ways … about my true feelings.
11. I avoid social encounters because … in front of other people.
13. I avoid social … when I am around people.
15. I avoid social events … other people.
18. I often wiggle my way … other people.
Anger Distress
Alcohol Reliance
Social Avoidance
.73
.80
.61
.68
.74
.74
.77
.76
.88
.92
.78
.63
.88
.89
.74
.78
.80
.69
.86
.79
.84
Note. N ¼ 250. All factor loadings significant at p < .001; v2 (186) ¼ 91.37, p < .001; comparative fit index ¼ 0.92; MSARI–21 ¼ Multidimensional Social Anxiety
Response Inventory–21; Tucker–Lewis Index ¼ 0.91, root mean square error of approximation ¼ 0.08, 90% CI [.07, .09], standardized root mean square residual
¼ 0.05.
subscale are summed to create a total score. The subscales
of the SA–45 were used to examine evidence of convergent
and discriminant validity for the MSARI–21 scale scores.
Results
Item factor loadings and fit indexes of the three-factor solution for the MSARI–21 in Study 2 are reported in Table 5
Convergent and discriminant validity
The final aim was to examine convergent and discriminant
validity of the MSARI–21. Specifically, we examined the correlations between scores on each MSARI–21 scale and scores
on established, widely used instruments that assess the same
or similar constructs. We expected moderate to high (r
.40) correlations between participants’ scores on (a) the
Anger Distress scale with the STAXI–2 anger expression
(AX-I, AX-O, and AX Index) and the SA–45 hostility scale
scores; (b) the Alcohol Reliance scale with the DMQ–R subscale scores related to improving mood or social events
(Enhancement and Social) and reducing negative thoughts
(Coping); and (c) the Social Avoidance scale with scores on
the SPAI–23 (social phobia and difference scores) and
SA–45 phobic anxiety scale scores. For discriminant validity,
we predicted weak or low (r < .40) correlations between
scores on the MSARI–21 scales and scores on measures of
dissimilar constructs. In addition, we assessed discriminant
validity using dependent correlational analyses. The complete correlations are presented in Table 6.
Anger Distress. We first examined the correlations
between scores on the MSARI–21 Anger Distress scale and
scores on the STAXI–2 measure. As expected, the Anger
Distress scale had moderate positive correlations with scores
on the Anger Index (r ¼ .49) and the AX-I (r ¼ .44) scale
and a weak negative relationship with the AC-O (r ¼ –.34)
and AC-I (r ¼ –.27). However, the Anger Distress scale had
a weak positive relationship with scores on the AX-O scale
(r ¼ .34). In addition, we also calculated dependent correlation tests (Steiger, 1980) to better examine evidence of discriminant validity for the Anger Distress scale. The Anger
Distress scale was found to be more strongly related to the
AX-I scale score than the AC-I scale score, t(249) ¼ 8.95, p
< .001. Scores on the Anger Distress scale were also found
to be more strongly associated with AX-O scale scores than
the AC-I scale scores, t(249) ¼ 6.49, p < .001, and more
related to Anger Index than AC-I scale scores, t(249) ¼
7.04, p < .001. Finally, the SA–45 features a hostility scale
score that was also found to be more strongly related to the
Anger Distress scale score when compared to the AC-I scale
score, t(249) ¼ 8.84, p < .001.
Alcohol Reliance. Next, we examined the correlations
between scores on the MSARI–21 Alcohol Reliance scale
and scores on the DMQ–R. The MSARI–21 Alcohol
Reliance scale score was highly correlated with the DMQ–R
Social Motives scale scores (r ¼ .62), Coping Motives scale
scores (r ¼ .64), and Enhancement Motives scale scores (r
¼ .56), all ps < .05. The Conformity Motives scale scores of
the DMQ–R were weakly correlated with scores on the
Alcohol Reliance scale (r ¼ .37). These findings support our
hypotheses and provide evidence for convergent validity.
Again, the dependent correlation test was used to help
establish evidence for discriminant validity. This test showed
that the MSARI–21 Alcohol Reliance scale score was more
related to the DMQ–R Social Motives scale score, t(249) ¼
4.85, p < .001, the Coping Motives scale score, t(249) ¼ 5.5,
p < .001, and the Enhancement Motives scale score, t(249)
¼ 3.29, p ¼ .001, when compared to the Conformity
Motives scale score.
Social Avoidance. We also examined the correlations
between scores on the MSARI–21 Social Avoidance scale
and scores on the SPAI–45. As predicted, the Social
8
DELLER ET AL.
Table 6. Correlations between MSARI–21 scales and concurrent measures.
MSARI–21
Measures
Scales
STAXI–2
Anger Distress Alcohol Reliance Social Avoidance
AX-O
AX-I
AC-O
AC-I
AX Index
.34
.44**
.34
.27
.49**
.08
.18
.04
.03
.09
.04
.43**
.09
.09
.24
Social Phobia
Agoraphobia
Difference Score
.39
.24
.36
.24
.14
.22
.72**
.39
.70**
Hostility
Phobic Anxiety
.50**
.32
.10
.14
.17
.49**
Social
Coping
Enhancement
Conformity
.06
.27
.08
.14
.62**
.64**
.56**
.37
.03
.12
.02
.12
SPAI–23
SA–45
DMQ–R
Note. MSARI–21 ¼ Multidimensional Social Anxiety Response Inventory–21;
STAXI–2 ¼ State–Trait Anger Expression Inventory; AX-O ¼ Anger ExpressionOut; AX-I ¼ Anger Expression-In; AC-O ¼ Anger Control-Out; AC-I ¼ Anger
Control-In; AX Index ¼ Anger Expression Index; SPAI–23 ¼ Social Phobia and
Anxiety Inventory; SA–45 ¼ Symptom Assessment; DMQ–R ¼ Drinking
Motives
Questionnaire, Revised. Correlations .40 are shown in bold.
p < .05. p < .01.
Avoidance scale score was found to be highly correlated
with the SPAI–45 Social Phobia scale score (r ¼ .72) and
the SA–45 phobic anxiety scale score (r ¼ .49) and weakly
correlated with the Agoraphobia scale score (r ¼ .39).
Additionally, the difference scale score (a more accurate
assessment of social phobia) was found to be highly correlated (r ¼ .70) with the MSARI–21 Social Avoidance scale
score. To establish discriminant validity, Steiger’s (1980)
dependent correlation test showed that the Social Avoidance
scale score was more related to the Social Phobia scale score
than to the Agoraphobia scale score, t(249) ¼ 7.79, p
< .001.
Finally, we examined the correlations between the Anger
Distress and Alcohol Reliance scales with scores on the
SPAI–23. Because these dimensions were conceptualized as
responses to social anxiety, we expected the scores to be
positively correlated. Scores on the Anger Distress scale
were positively correlated with Social Phobia scale scores (r
¼ .39). Similarly, scores on the Alcohol Reliance scale were
positively correlated with Social Phobia scores (r ¼ .24).
General discussion
Although individuals with social anxiety tend to avoid social
situations, they might respond in other ways, namely reacting with internalized expressions of anger or relying on
alcohol. However, current instruments have largely ignored
these potential response tendencies. Osman and colleagues
(2015) developed the MSARI–21 to better examine these
behavioral responses and increase our understanding of
social anxiety as a construct. This project built on this development by assessing the multidimensional nature of this
new instrument, calculating estimates of internal reliability,
assessing measurement invariance across genders, and
assessing convergent and discriminant validity. In Study 1,
we examined the multidimensional nature of the instrument
using structural equation modeling (SEM) and bifactor modeling approaches. Results from the SEM and bifactor model
revealed strong evidence for the multidimensionality of the
instrument, suggesting that scores on each of the three scales
should be calculated independently rather than summed to
create an overall total inventory score. The analyses in Study
1 also revealed that each of the three MSARI–21 scale scores
had adequate estimates of internal reliability for use in
research and clinical settings (all estimates .90).
The third objective of the study was to investigate measurement invariance of the MSARI–21 instrument. Because
of the reported gender differences in the presentation of
social anxiety (both SAD and endorsement of social anxiety
symptoms; Ranta et al., 2007; Xu et al., 2012), Study 1
assessed invariance across males and females using a DIF
technique. These analyses revealed a potential issue for only
a single item (Item 10 from the Alcohol Reliance scale)
across all three scales. That is, the DIF statistics approached
significance for only 1 of the 21 items of the MSARI–21.
Given that Item 10 merely approached statistical significance, and dropping this item would not substantially alter
the scores on the Alcohol Reliance scale, we recommend
retaining this item in future investigations. The results of
Study 1 provide strong evidence for the utility of the
MSARI–21 across gender. However, research suggests that
experiences and displays of social anxiety might be influenced by factors associated with race, ethnicity, or both
(e.g., Hoffman, Asnaani, & Hinton, 2010; Okazaki, Liu,
Longworth, & Minn, 2002). To provide evidence that the
MSARI–21 is a robust measure for all racial, ethnic, and cultural groups, future validation analyses (e.g., factorial invariance via CFA, DIF) should be conducted across these
different groups as well.
In Study 2, we examined the structure of the MSARI–21
within a new sample and assessed the relationships between
scores on the MSARI–21 scales and scores on established
self-report measures of related and unrelated constructs. In
addition to support for the three-factor structure of the
measure, we found evidence for the convergent validity of
the MSARI–21 scale scores. That is, scores on the Anger
Distress scale were moderately to strongly positively related
to other measures of anger and hostility (and negatively
related to measures of anger control). Similarly, scores on
the Alcohol Reliance scale (which assesses the extent to
which individuals use alcohol to better cope with social situations) were positively related to drinking alcohol to
improve mood or reduce negative thoughts and feelings.
Scores on the Social Avoidance scale (which assesses the
extent to which individuals attempt to avoid negative social
situations altogether) were strongly related to scores on
measures of social phobia.
Study 2 also found a positive relationship (r ¼ .39)
between Anger Distress scores and Social Phobia scores on
the SPAI–23. This is in line with Breen and Kashdan (2011),
who found a positive relationship between social anxiety
and state anger (r ¼ .25). Although this project found a
stronger relationship between anger and social anxiety, this
MSARI–21 PSYCHOMETRICS
is to be expected given that the Anger Distress scale items
assess responses specific to social anxiety. Our findings of a
positive correlation (r ¼ .24) between Alcohol Reliance scale
scores and Social Phobia are also in line with Schry and
White (2013), who found a positive relationship between
social anxiety and both positive and negative alcohol expectancies (r ¼ .15 and r ¼ .16, respectively).
Limitations and future research directions
Several limitations must be considered when interpreting the
findings of this project. For example, it is important to note
that some characteristics of the sample could limit the generalizability of these findings to other groups. For Studies 1
and 2, we had data from relatively young (M age < 21),
nonclinical, predominantly Hispanic college student samples.
Although symptomatic experiences of social anxiety are generally common in this age group, clinical diagnoses of SAD
are far less so (see Grant et al., 2005; Purdon, Antony,
Monteiro, & Swinson, 2001). Thus, there is a need to extend
the methodologies adopted here to data obtained from clinical inpatient and outpatient samples. In addition, there is
still a need to examine invariance testing of the MSARI–21
at the scale level. Future studies could investigate this using
other measurement invariance techniques, such as multiplegroup CFA.
Another potential limitation relates to the nature of the
MSARI–21 instrument. As the instrument is designed to
assess both the responses to social anxiety and the underlying reasons behind these responses, the items could be fairly
complex. For example, it is possible that participants might
endorse the response (“I avoid social situations”) without
endorsing the underlying reason (“because I am uncertain
how to present myself”) and might experience some confusion on how best to respond. This could affect the results
and reliability of the instrument. However, such complexity
might be necessary given the instrument’s purpose of assessing the responses and underlying reasoning for these
responses within individuals. In addition, the high reliability
estimates found in Study 1 (all estimates .90) might suggest that participants are not experiencing a high degree of
uncertainty.
Previous research has linked endorsement of social anxiety to adverse alcohol-related outcomes within nonclinical
samples of college students (Gilles, Turk, & Fresco, 2006).
Furthermore, research demonstrates that subclinical levels of
anxiety can adversely influence the performance of an individual such as on working memory tasks (see Moran, 2016).
Given the extensive cognitive demands placed on college-age
students, future investigations might examine the extent to
which scores on this scale differentiate the responses of students who present with a moderate to high level of social
anxiety symptoms and those less influenced by the process
of being evaluated in social situations (e.g., giving a presentation or working in a group).
Future research should also expand on validating scores
on this measure in a number of ways. First, as this project
collected cross-sectional data, we did not examine evidence
9
for test–retest reliability or stability of the MSARI–21 scale
scores over time. Data collected at multiple time points to
more thoroughly assess for these measures of consistency
would be beneficial to the further validation of the measure.
Additionally, although this study found evidence of convergent validity with the SPAI–23, future research should also
compare scores on the MSARI–21 with other measures of
social
anxiety,
including
behavioral
assessments
from observers.
Funding
Jessica Perrotte was supported by the National Institute on
Alcohol Abuse and Alcoholism of the National Institutes of
Health under Award Number F31AA026477. The content is
solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes
of Health.
ORCID
James Deller
http://orcid.org/0000-0001-7374-7621
http://orcid.org/0000-0002-4091-7820
Jessica Perrotte
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