Schools are frequently inundated with demands to implement new instructional interventions and teaching methods that are not yet backed up by a solid body of research. Fortunately, many of these innovations include elements of more established strategies for which evidence of positive effects does exist. Guskey describes the core elements of one…

A strategy called "jigsawing" is described for promoting group work, while ensuring that individual needs of pupils with severe learning difficulties are met. A group activity is broken down into smaller components and each child or group is assigned tasks toward achievement of the overall activity aims. (PB)