Lesson study provides an opportunity for teachers to improve their knowledge and skills of classroom teaching, where a group of teachers collaboratively research, plan, and observe a series of lessons followed by ongoing discussions and reflections. While social interaction between group members plays an important role in collaborative learning…

The authors draw on resource allocation theory (Kanfer & Ackerman, 1989) to develop hypotheses regarding the conditions under which collective learning and performance orientation have interactive effects and the nature of those effects on teams' ability to adapt to a sudden and dramatic change in workload. Consistent with the theory, results…

This study tests the hypothesis that cultural differences in group orientation predict an interaction between the student variable--ethnicity--and a learning context variable--reward structure--on math performance after group learning. One hundred and thirty-two African-American and European-American female and male fourth and fifth grade students…