Abstract
COVID-19 pandemic has transformed much of the medical curriculum delivery from in person to online. Given that interpersonal interaction facilitates team cohesion and professional identity formation, prolonged online learning with minimal social interaction might impact these competencies in medical education. To mitigate the impact of prolonged social isolation, we conducted synchronous team-based learning (TBL) classes, where half the class is physically present and the other is connected via an online platform, termed hybrid TBL. We present practical tips in implementing hybrid TBL for educators teaching in large-sized classes, should conditions exist where not all students can attend in person.
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Introduction
As the COVID-19 pandemic continues to ravage worldwide, educators have been required to move from in-person classes to an online setting to ensure the continuity of education [1, 2]. Some institutions were aided by their experiences from previously implemented pandemic preparation responses due to curriculum disruption during the SARS and H1N1 influenza outbreaks [2,3,4]. As the world enters the next phase of this pandemic, where many countries are going through cycles of tightening and loosening of restriction measures, there are now opportunities to allow a limited number of students to return to campus for an in-person education. However, returning to full in-person education remains a challenge for a variety of reasons. These limiting factors include the inability to accommodate the entire class size at a teaching venue due to prevailing social distancing measures, and the gradual adoption of vaccination differentiation measures, such as only allowing fully vaccinated individuals to attend in-person classes [5].
Why Implement Hybrid Classes Instead of Remaining Online?
Considering the concerns for resuming in-person classes, we offer a strategy to implement a hybrid arrangement of synchronous in-person and online classes, which will allow a fraction of students to resume in-person education. Such innovations that will allow the resumption of in-person education in a hybrid setting, in the short term, would provide a solution during the pandemic and, in the long term, would allow educators to rethink issues about class size and engagement strategies post-pandemic. With minimal changes in resource requirements, a hybrid class will allow educators to expand class size without the size of the physical venue being a limiting factor.
Even though the impact of prolonged online learning on the students’ development can be mitigated by different educational settings or instructional methods [6], we advocate for resuming some form of in-person education during the ongoing pandemic, because we have previously shown that whilst the students’ perceptions of learning were not negatively affected, they perceived that the development of their interpersonal skills was impacted in a fully online team-based learning (TBL) environment [2]. Similarly, several other studies have found that students perceived unsatisfactory interpersonal interactions when immersed in a prolonged online learning environment [7,8,9,10,11,12], as shown by poorer ratings for teamwork interdependence in an online TBL environment, despite similar academic performances in both online and in-person TBL classes [7, 8]. The suboptimal interpersonal interaction is further compounded by the social isolation that has occurred due to the COVID-19 pandemic, which has been shown to have a significant psychological impact on students [13,14,15]. In the case of healthcare professional students, the suboptimal social interactions due to prolonged online learning lead to two other concerns: suboptimal team dynamics and delayed professional identity formation [7, 16,17,18,19,20].
Team Dynamics is Suboptimal in Online Classes
In the medical field, good teamwork has been shown to improve medical outcome and quality of patient care [21, 22]; thus, healthcare professional educators have been implementing educational methods that promote teamwork. This includes TBL, a structured educational method that requires students to complete pre-work individually, attempt in-class activities individually (termed Individual Readiness Assurance Test) and then together in teams (termed Team Readiness Assurance Test), and solve application case studies as a team [23]. With an in-person TBL class, the benefits of a diverse team are manifested after 20–25 h of interaction [24]. In addition, learners attending in-person TBL are more likely to have organic interpersonal interactions and team building events after lessons. Team cohesion is crucial to the TBL process, as it was shown to be a significant predictor for team academic performance [25]. In a completely online TBL environment, social activities that promote team cohesion are likely to be limited. Indeed, we have found that most students preferred in-person over online TBL, as it supported the in-person interaction with their team members that is crucial for team building (unpublished results; Table 1). Consistent with this notion, recent studies have also reported that teamwork and team dynamics were impacted in online classes, as reflected by reduced group deliberation, which is suggestive of potential conflict avoidance that could be detrimental to the learning process and team cohesion [7, 16, 17]. Therefore, it is critical to develop ways to support in-person team building, such as hybrid classes, whenever possible.
Professional Identity Formation is Delayed in Online Classes
Professional identity formation is also an important part of physicians’ development. Professional identity is a highly dynamic and multi-faceted process achieved through socialisation with peers and mentors, and influenced by interactions with patients in the clinical setting [26,27,28,29]. Given that being part of the community of practice is fundamental for professional identity formation [30, 31], concerns were raised when medical students were temporarily removed from the clinical training environment during the COVID-19 pandemic [32]. By extension, the social isolation due to online learning can affect preclinical students’ sense of belonging to the greater community of practice. During the pandemic, majority of online classes placed greater emphasis on the continuity of medical education, i.e. discipline knowledge, rather than on fostering communities of practice [33]. Thus, the limited opportunities for engagement in informal observation and being part of the community of practice when immersed in fully online classes are perceived to impact professional identity formation [18]. Recent qualitative studies also showed that students, who transited to an online learning environment, experienced various disruptions to the facets of formal, informal, and hidden curricula that are critical in facilitating professional identity formation [19, 20]. In essence, online learning had changed their interaction with faculty, role models, and peers. Students noted that real human interaction was an irreplaceable part of the socialisation process, which was important in promoting professional identity formation [20]. Indeed, medical educators have thus called for “reimagining” of professional identity and innovative ways to support professional identify formation during the pandemic [34, 35]. Hence, to strengthen the process for medical students to “think, act, and feel like a physician” [36], we advocate for including some form of in-person education, even during the pandemic.
Implementation of Hybrid Classes has its Challenges, but is Feasible
Given the importance of team dynamics and professional identity formation for healthcare professional students, we wanted to bring our preclinical students, who were doing only online learning, back to the classroom as soon as possible. However, the prevailing pandemic guidelines and social distancing requirements limited the implementation of typical TBL lessons, where the full class was accommodated for in a single venue. We overcame this by adopting a synchronous, hybrid TBL class format, where half the class was physically present and the other was connected via an online platform, on a rotating basis. This innovative solution provided the opportunities for interpersonal interactions, teamwork building, and professional identify formation, whilst adhering to the safe distancing measures in a limited classroom space.
During our hybrid class implementation, we faced several challenges. This included unequal opportunities across students to attend in-person classes due to a combination of venue capacity limitations and timetable scheduling. We also often faced audio feedback interference during the initial sessions due to unintegrated audio-visual systems for the in-person venue and the video-conferencing platform. Additionally, as a faculty member facilitating the discussions, we found ourselves occasionally neglecting the additional sources of input in a hybrid class. By working closely with the faculty members, students, and administrative staff and acting on their feedback, we overcame the challenges of implementing a hybrid TBL class. Our efforts were validated when the feedback from our students, who underwent the hybrid sessions, showed that they welcomed the opportunity to interact with their peers and build their teams’ relationship (Table 1). This is consistent with previous studies which showed students’ overall preference for in-person TBL [7, 8]. Overall, a majority of students welcomed the in-person opportunities (Table 1). It supported the greater sense of belonging and inclusion of the community of practice, all of which are key elements in gradual development of professional identity formation [27, 36].
Of note is that the changes from an online TBL to hybrid TBL are not prohibitive, as they require many of the same resources (Table 2). Thus, we have distilled our experiences into five practical tips for educators looking to implement a hybrid TBL class in their own setting. It should be noted that these tips are primarily for educators who teach large-sized classes and can only accommodate limited students in a single venue on a rotation basis.
Tip 1: Create a Class Rotation List
When the classroom venue is unable to accommodate all the students, and you need to divide the class according to the venue’s capacity limit, creating a rotation schedule will help to ensure that all students get an equal chance to attend in-person lessons. For instance, at Duke-NUS Medical School, our class size is 72, and to adhere to social distancing requirements, we are only able to accommodate 38 people in the room. Hence, we divided the class into two sections, and students were able to meet their teammates in person during every other TBL lesson.
Tip 2: Setting Up the Venue with a Centralised Audio-Visual (AV) System
Hybrid TBL lessons are run using the same video-conferencing tool and TBL–supported platform as an online TBL lesson (Table 2). Thus, all students will complete the readiness assurance and applications using the same tools, no matter if they are in person or remote. However, the key to successfully run a hybrid class is having a centralised AV system at the venue. Given that all those in class will be signing into the video-conferencing platform on their own devices, the multiple input and output audio from the various devices will generate audio feedback interference. This can be avoided by having a centralised input and output audio channel at the class venue, with students’ personal microphone and speaker of their laptops muted at all times. However, there is still the issue of getting the voices of the students in the classroom to be heard by those online. There are two ways to address this.
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1.
Provide microphones for each student or each group of students, which feed into an administrative laptop that is connected to the video-conferencing platform. The downside when using microphones at the venue is that those who are physically present will not be spotlighted, a feature in Zoom™, when they speak, as the input is channelled via the administrative laptop. So, it can be difficult for those joining in remotely to identify the speaker at the physical venue. This can be easily addressed by asking students at the venue to identify themselves prior to speaking.
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2.
If microphones are not available, an equally effective solution will be to retain a centralised audio output, e.g. an administrative laptop connected to speakers at the venue, whilst students and facilitators use the microphones on their own devices that are connected to the video-conferencing platform. So long as those at the physical venue keep their speakers silent at all times, and unmute to speak and mute immediately after, students at both sites will still be able to contribute to class discussions synchronously and with minimal occurrences of audio feedback interference.
Tip 3: Faculty to be Present in Person if Possible
In a hybrid TBL class, we strongly recommend that at least one faculty member be physically present in order to create an in-person social presence. With the implementation of online TBL, we needed to consider the three pedagogical elements of the “community of inquiry” model for learning in an online education experience: teaching, cognitive and social presence [37]. Whilst these elements are supported by TBL, even when carried out online, due to the inherent structure and format of TBL, the social presence can be augmented if the faculty is physically present in a hybrid class. Additionally, this also creates opportunity for professional socialising and mentoring which are keys for effective professional identity formation [38].
Tip 4: Familiarise with the Increased Avenues of Synchronous Inputs During a Hybrid TBL Facilitated Discussion
The faculty member facilitating a synchronous hybrid class has to adjust the facilitation strategy due to the increased avenues of communication present. In an online TBL class [39, 40], the facilitator has to pay attention to students’ input via the video-conferencing platform, such as the verbal discussions and the chat box. Whereas, in hybrid arrangements, there are the additional elements of in-person queries and non-verbal cues. Hence, the facilitator needs to be more deliberate in navigating the class discussion to ensure that groups on either side have an equal opportunity to be heard. Intentionally incorporating comments from the online chat, and non-verbal cues from the in-person cohort into the class discussion, will go a long way in creating a sense of inclusion and an engaging discussion for both groups of students.
Tip 5: Frequent Check-ins with Students
As there is an increased number of moving parts that need to fall in place for a successful hybrid TBL class to happen, the faculty member should build in regular check-ins with both cohorts of students. For example, prior to the facilitated class discussion, the faculty member should check for audibility at both sites. Delay is also expected when managing the various inputs, especially when technical glitches occur. Hence, it is important to ensure open lines of communication, so that both groups of students are aware of what is happening and do not feel left out.
Optional Tip: Strict Adherence to Safety Management Measures
Whilst this tip applies only to running a hybrid class during a pandemic, the occurrences of global pandemics are likely to increase [41, 42], hence making this tip relevant. In Singapore, to prevent the spread of COVID-19 due to prolonged contact in an enclosed space, all students attending TBL in person must adhere to the following governmental and university requirements: (1) students must complete a health declaration prior to entering campus; (2) students must complete the in-class attendance system and activate the contact-tracing application; (3) if feeling unwell, students must inform administrative staff and stay home if they, or anyone in the household, are unwell with COVID-19 symptoms; (4) students must wear a mask at all times; (5) students must sanitise their hands frequently and must sanitise the work area at the end of each day; (6) students must maintain safe distancing of at least one metre at all times; (7) students do not intermingle with classmates who are designated to a different section of the class on the rotation roster. Sufficient administrative support is required to monitor these safety measures if similar safety measures are required at your institution.
Concluding Remarks
This synchronous hybrid TBL format came about as we strived to adjust and innovate, so as to provide an improved learning experience for our students, whilst strictly adhering to prevailing social distancing measures. We wanted to minimise the sense of isolation that our students would experience due to prolonged remote learning, which in turn would negatively impact their team dynamics and professional identity formation.
Whilst this hybrid arrangement of classes is borne out of necessity due to the prevailing pandemic, it remains relevant post-pandemic as it opens up possibilities for more engaging educational activities. Indeed, economic and intellectual benefits can be seen with conferences that cater to a greater number of participants, when not limited by physical presence. Last but not least, the COVID-19 pandemic will not be the last one that educators and students experience. Hence, we believe that these tips will continue to be useful for educators looking to implement a hybrid arrangement of synchronous TBL classes beyond the COVID-19 pandemic.
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Acknowledgements
The authors acknowledge the unwavering support from Associate Professor Lai Siang Hui (Preclinical Assistant Dean), Professor. Hwang Nian Chih (Body and Disease Course Director), and Professor Scott Compton (Associate Dean for Medical Education) in the swift adaptations of the preclinical curriculum. The authors would also like to acknowledge the education administrative team (Ms. Goh Sok Hong, Mr. Foo Ke Xiang, Ms. Alia binte Dhahfier, Ms. Avery Soo Yee Ng, Mr. Francis Kim Huat Law, Mr. Andy Guanghui Toh, Ms. Charmaine Jia Min Teo, and Ms. Chew Ting Puah) for their efforts in transitioning and adapting our innovations during the COVID-19 pandemic. Data used in this manuscript was from another research study supported by the seed funding grant from ALSET, Institute for Applied Learning Sciences and Educational Technology at the National University of Singapore, awarded to ICJ Lee.
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Data used in this manuscript was from another research study. The research study was supported by the ALSET seed grant programme provided by the NUS Office of the Senior Deputy President & Provost and the NUS Institute for Applied Learning Sciences and Education Technology.
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ICJL wrote the first draft with significant input from PW. PW, SPLG, and SC critically reviewed and commented on the manuscript. All authors contributed to the manuscript revision. All authors read and approved the final manuscript.
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Lee, I.C.J., Wong, P., Goh, S.P.L. et al. A Synchronous Hybrid Team-Based Learning Class: Why and How to Do It?. Med.Sci.Educ. 32, 697–702 (2022). https://doi.org/10.1007/s40670-022-01538-5
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DOI: https://doi.org/10.1007/s40670-022-01538-5