An assessment is made of the conflicting claims that either co-operation or competition between pupils facilitates pupil learning. (Author)

The performance of 144 pairs of college students on four successive concept attainment problems was assessed. A 3 x 2 x 2 x 4 factorial design with repeated measures on the last factor was used with the following variables: (a) type of interaction format (cooperation with discussion allowed during solution of the problems, cooperation with…

Videotaped group work lessons of an elementary school third grade class provide material for study of the non-verbal aspect of group behavior. A system of activity categories is developed and a typology of pupils' working methods in group study distinguishes types and characteristic forms of activity. The following activity categories are used in…

The study evaluates the effectiveness of a set of social studies activities in promoting cooperative interaction among junior high school students. A field experiment was designed to test three hypotheses: (1) groups which have previously worked together structure tasks more cooperatively than a newly formed group: (2) groups which have…