One of the defining features of cooperative learning is the use of heterogeneous groups: small groups of students who vary in ability, gender, and socioeconomic status. What does the research say about the effectiveness of heterogeneous versus homogeneous ability groups?
a. Students in homogeneous ability groups do better on tests of problem solving than students in mixed ability groups.
b. Students in mixed ability groups do better on tests of problem solving than students in homogeneous ability groups.
c. Students in homogeneous ability groups score about the same on tests of problem solving than students in mixed ability groups.
d. There is no research on this question at the present time.
Question 2
The beneficial effect of cooperative learning on social and academic outcomes is most likely due to which of the following reasons?
a. increased motivation
b. decline in egocentrism
c. increased elaboration of information
d. All of these answers.
Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe
The brain. (a) Superior (top) view. (b) Sagittal view of a sectioned brain to reveal internal featur
The kidney. Illustration of a sectioned kidney, which reveals its internal features.
functional groups of biomolecules
Major features of the Solar System (not to scale)
Primary Groups: Families