The data on grouping strategies suggest that some of the whole group modeling used by the lesson authors may not have been implemented by field - testing teachers. (citejournal.org)
To conclude, the discussion group models a protocol that allows teachers to draw on the expertise of colleagues to refine their practice. (learner.org)
In cluster grouping models, all students in a grade level are grouped according to their ability and achievement levels. (ascd.org)