This study examines the epistemic disciplinary knowledge that students consider when addressing a real food emergency that requires their engagement in inquiry and argumentation practices. The study comprised two phases: (1) designing an experiment to study the emergency and (2) evaluating the real outcome of the emergency. The participants were…

This study aimed at improving the decision-making (DM) skills of 11th graders by incorporating a DM framework, visualisation tools, collaboration, and metacognitive guidance into a socioscientific issue context. Two classes, the experimental group (embedded metacognitive guidance, N = 42) and the comparison group (no metacognitive guidance, N =…

Background: Recent research investigating the conditions under which science teachers can successfully implement science education reforms suggests that focusing only on professional development to improve content knowledge and teaching skills--often referred to as human capital--may not be enough. Increasingly, possessing social capital, defined…

Little is known empirically about intraclass correlations (ICCs) for multisite cluster randomized trial (MSCRT) designs, particularly in science education. In this study, ICCs suitable for science achievement studies using a three-level (students in schools in districts) MSCRT design that block on district are estimated and examined. Estimates of…

This study used a 2-month prospective research design to examine the bi-directional interplay between peer victimization and social anxiety among adolescents. Participants included 228 adolescents (58% female) in grades 10-12. Three types of peer victimization were examined: "overt" (physical aggression or verbal threats), "relational" (malicious…

Background: Much research has sought to investigate emotions and forms of emotion management among teachers worldwide, including the connection between educational change and teacher emotion; the association between the culture of teaching and teachers' emotional experience within parent-teacher interactions; the link between teacher emotion and…

This study examines the impact of secondary school culture on the dual student outcomes of academic achievement and engagement with the institution attended. Elements of school culture were identified, specifically the roles played by administrators, the professional teaching staff, and the adolescent peer group. A mixed-method research design was…