The present study examined the relationships between perceived leadership, group cohesion, online engagement, self-regulation and learning outcomes. Data included surveys and online discussion logs from 171 students in an undergraduate online course. Through correlation analysis and structural equation modeling, the results revealed unique contributions of task and relationship leadership in small group collaborative learning. Each form of leadership may translate into greater use of selfregulation strategies that align with students' focus on either the instrumental or interpersonal resources related to academics but may bring about a corresponding lower utilization of other types of self-regulation strategies. Further, results indicate that students' perceptions of group cohesion provided the most robust and multifaceted positive associations with learning engagement.Online posting and reading as behavioral engagement in online discussions Behavioral engagement refers to on-task behavior, compliance with school rules, classroom participation or the involvement in extracurricular activities. In online settings where students' 3
Following a design-based research framework, this article reports two empirical studies with an educational MMOG, called McLarin's Adventures, on facilitating 9th-grade students' complex problem-solving skill acquisition in interdisciplinary STEM education. The article discusses the nature of complex and ill-structured problem solving and, accordingly, how the game-based learning environment can facilitate complex problem-solving skill acquisition. The findings of the first study point to the importance of supporting cognitive regulation of students for successful complex problemsolving skill acquisition in digital game-based learning. The findings of the follow-up study show that when scaffolded by dynamic modeling, students made significant improvement in their complex problem-solving outcomes. Implications drawn from the findings of these two studies are discussed related to: (1) educational game design strategies to effectively facilitate complex problem-solving skill development; and (2) stealth or embedded assessment of progress in complex problem solving during digital game-based learning.
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