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    Brad Nakamura

    Objective: To examine self-reported positive affect (PA) and negative affect (NA) among youth with ADHD (only and comorbid) and other non-ADHD-referred youth in an ethnically diverse clinical sample. Method: Semi-structured interviews... more
    Objective: To examine self-reported positive affect (PA) and negative affect (NA) among youth with ADHD (only and comorbid) and other non-ADHD-referred youth in an ethnically diverse clinical sample. Method: Semi-structured interviews identified 80 pure ADHD, 284 ADHD plus one or more comorbidities, and 730 non-ADHD youth (e.g., other diagnoses or no diagnosis). The Positive and Negative Affect Scale-Children (PANAS-C) was used to assess affective states. Results: Even after controlling for the influence of potential confounds, youth with only ADHD reported higher PA and lower NA than other clinic-referred youth. The ADHD-comorbid group reported higher PA than the "non-ADHD" group, but these groups did not differ on level of NA. ADHD subtype did not influence results. Conclusion: Among clinic-referred youth, ADHD is associated with higher levels of PA and when there are no comorbid disorders, lower levels of NA. (J. of Att. Dis. 2013; XX(X) 1-XX).
    Research Interests:
    Hawaii's Child and Adolescent Mental Health Division provides a unique illustration of a youth public mental... more
    Hawaii's Child and Adolescent Mental Health Division provides a unique illustration of a youth public mental health system with a long and successful history of large-scale quality improvement initiatives. Many advances are linked to flexibly organizing and applying knowledge gained from the scientific literature and move beyond installing a limited number of brand-named treatment approaches that might be directly relevant only to a small handful of system youth. This article takes a knowledge-to-action perspective and outlines five knowledge management strategies currently under way in Hawaii. Each strategy represents one component of a larger coordinated effort at engineering a service system focused on delivering both brand-named treatment approaches and complimentary strategies informed by the evidence base. The five knowledge management examples are (a) a set of modular-based professional training activities for currently practicing therapists, (b) an outreach initiative for supporting youth evidence-based practices training at Hawaii's mental health-related professional programs, (c) an effort to increase consumer knowledge of and demand for youth evidence-based practices, (d) a practice and progress agency performance feedback system, and (e) a sampling of system-level research studies focused on understanding treatment as usual. We end by outlining a small set of lessons learned and a longer term vision for embedding these efforts into the system's infrastructure.
    Research Interests:
    Research Interests:
    The current study evaluated the effectiveness of a modularized treatment of a specific fear of water for a 14-year-old youth with childhood onset schizophrenia using a multiple-baseline across behaviors design. Treatment included gradual... more
    The current study evaluated the effectiveness of a modularized treatment of a specific fear of water for a 14-year-old youth with childhood onset schizophrenia using a multiple-baseline across behaviors design. Treatment included gradual exposure to a hierarchy of feared water-related situations with rewards for successful approximations ranging from looking at water to swimming in a pool. Both parent and youth
    Practice data from 74 therapists providing public mental health services to 519 youth ages 5-19 were examined. Multilevel modeling suggested child and therapist characteristics predicted use of practices derived from the evidence-base... more
    Practice data from 74 therapists providing public mental health services to 519 youth ages 5-19 were examined. Multilevel modeling suggested child and therapist characteristics predicted use of practices derived from the evidence-base (PDEB) and use of practices with minimal evidence support (PMES). Longer episode length predicted greater receipt of PDEB; older youth, males, and youth in out-of-home levels of care were more likely to receive PMES; and youth receiving an evidence-based treatment program were less likely to receive PMES. Professional specialty and theoretical orientation significantly predicted PDEB whereas therapist characteristics did not predict PMES. Implementation implications are discussed.
    ABSTRACT The two-factor model of emotion clarifies the complexities of the relationship between anxiety and depression through their varying associations with positive and negative affect. Although this model’s structure has been studied... more
    ABSTRACT The two-factor model of emotion clarifies the complexities of the relationship between anxiety and depression through their varying associations with positive and negative affect. Although this model’s structure has been studied in children, the lack of parent report measures on model-specific constructs has thus far prevented a multi-informant perspective on the model. Capitalizing on recent advancements in parent report assessment instruments, the present investigation aimed to confirm the two-factor model of emotion per child self-report; expand the model’s applicability to include parent report; and create a combined-informant model with a large number of parent-child dyad pairs (N = 610). Structural equation modeling demonstrated good fit within parent and child informant models, but diminished fit for the multi-informant model. These results suggest a high degree of robustness with respect to informant type. Implications for the integration of multi-informant assessment information are discussed.
    This article reports outcomes from the Child STEPs randomized effectiveness trial conducted over a 2-year period to gauge the longer term impact of protocol design on the effectiveness of evidence-based treatment procedures. An... more
    This article reports outcomes from the Child STEPs randomized effectiveness trial conducted over a 2-year period to gauge the longer term impact of protocol design on the effectiveness of evidence-based treatment procedures. An ethnoracially diverse sample of 174 youths ages 7- 13 (N = 121 boys) whose primary clinical concerns involved diagnoses or clinical elevations related to anxiety, depression, or disruptive behavior were treated by community therapists randomly assigned to 1 of 3 conditions: (a) standard, which involved the use of 1 or more of 3 manualized evidence-based treatments, (b) modular, which involved a single modular protocol (Modular Approach to Treatment of Children With Anxiety, Depression, or Conduct Problems; MATCH) having clinical procedures similar to the standard condition but flexibly selected and sequenced using a guiding clinical algorithm, and (c) usual care. As measured with combined Child Behavior Checklist and Youth Self-Report Total Problems, Internalizing, and Externalizing scales, the rate of improvement for youths in the modular condition was significantly better than for those in usual care. On a measure of functional impairment (Brief Impairment Scale), no significant differences were found among the 3 conditions. Analysis of service utilization also showed no significant differences among conditions, with almost half of youths receiving some additional services in the 1st year after beginning treatment, and roughly one third of youths in the 2nd year. Overall, these results extend prior findings, supporting incremental benefits of MATCH over usual care over a 2-year period.
    Hawaii's Child and Adolescent Mental Health Division provides a unique illustration of a youth public mental... more
    Hawaii's Child and Adolescent Mental Health Division provides a unique illustration of a youth public mental health system with a long and successful history of large-scale quality improvement initiatives. Many advances are linked to flexibly organizing and applying knowledge gained from the scientific literature and move beyond installing a limited number of brand-named treatment approaches that might be directly relevant only to a small handful of system youth. This article takes a knowledge-to-action perspective and outlines five knowledge management strategies currently under way in Hawaii. Each strategy represents one component of a larger coordinated effort at engineering a service system focused on delivering both brand-named treatment approaches and complimentary strategies informed by the evidence base. The five knowledge management examples are (a) a set of modular-based professional training activities for currently practicing therapists, (b) an outreach initiative for supporting youth evidence-based practices training at Hawaii's mental health-related professional programs, (c) an effort to increase consumer knowledge of and demand for youth evidence-based practices, (d) a practice and progress agency performance feedback system, and (e) a sampling of system-level research studies focused on understanding treatment as usual. We end by outlining a small set of lessons learned and a longer term vision for embedding these efforts into the system's infrastructure.
    This article provides a follow-up account of efforts associated with a statewide initiative established 10 years ago for identifying and implementing effective treatments for child and adolescent mental health concerns. The manner in... more
    This article provides a follow-up account of efforts associated with a statewide initiative established 10 years ago for identifying and implementing effective treatments for child and adolescent mental health concerns. The manner in which this initiative has evolved and endured within a ...
    Research and practice in school-based mental health (SBMH) typically includes educational variables only as distal outcomes, resulting from improvements in mental health symptoms rather than directly from mental health intervention.... more
    Research and practice in school-based mental health (SBMH) typically includes educational variables only as distal outcomes, resulting from improvements in mental health symptoms rather than directly from mental health intervention. Although sometimes appropriate, this approach also has the potential to inhibit the integration of mental health and schools. The current paper applies an existing model of data-driven decision making (Daleiden & Chorpita, 2005) to detail how SBMH can better integrate routine monitoring of school and academic outcomes into four evidence bases: general services research evidence, case histories, local aggregate, and causal mechanisms. The importance of developing new consultation protocols specific to data-driven decision making in SBMH as well as supportive infrastructure (e.g., measurement feedback systems) to support the collection and use of educational data is also described.
    Background: Clifford R. O'Donnell, Ph. D., Professor of Psychology, University of Hawai'i, serves as Director of the Community and Culture Psychology Graduate Program. This Program received the American Psychological Association... more
    Background: Clifford R. O'Donnell, Ph. D., Professor of Psychology, University of Hawai'i, serves as Director of the Community and Culture Psychology Graduate Program. This Program received the American Psychological Association 2004 Honorable Mention Award for Innovation in Graduate Education in Psychology. Professor O'Donnell is a Scientific Board Member of The Melissa Institute for the Prevention and Treatment of Violence and of the Board of Directors of the Intermountain Centers for Human Development (AZ), and has ...