Cooperative learning pedagogy has been in place for more than 40 years. Nevertheless, there has been no consensus on the best grouping procedure for the cooperative learning activities. To shed more light on the issue, the present study examined the language achievement of learners at different ability levels in two heterogeneous and homogenous…

There does not appear to be consensus on how to optimally match students during the peer feedback process: with same-ability peers (homogeneously) or different-ability peers (heterogeneously). In fact, there appears to be no empirical evidence that either homogeneous or heterogeneous student matching has any direct effect on writing performance.…

The paper explicates the major assumptions of reference-group theory in order to deduce hypotheses with direct application to studies of classroom ability grouping. (Author)

This book is an outgrowth of a conference funded by the National Institute of Education and held at the Wisconsin Center for Education Research in May 1982. A major theme of this volume of collected papers is how and in what ways grouping of students can be used effectively. Papers included are: (1) "Instructional Groups in the Classroom:…