“…An effective breakout group typically requires individual members to assume different roles, taking responsibility for things such as organization, providing information, creating an action plan, solving problems, motivating others, supporting others, and monitoring/evaluating performance (Yeh, 2010). Role assignment and group size may each influence individual participation, peer interaction, and learning achievement (Luo et al, 2023). A number of studies have concluded that purposeful interaction and collaborative learning is more effective with heterogeneous groups, where there is a mix of students in terms of gender, ethnic background, ability, and personality traits (e.g., Jong et al, 2006;Scheurell, 2010;Wang et al, 2007).…”