Recent studies show that a new strategy called differential-associative processing is effective for learning related concepts; however, our knowledge about differential-associative processing is still limited. Therefore the goals of the present study are to assess the duration of knowledge that is acquired from using differential-associative…

Discusses the recent rise in interest in the teaching of thinking skills. Presents brief outlines of eight school districts' successful thinking skills programs. All these programs were developed through careful attention to time and training and with an understanding that success is based on a long-term plan of action. (MD)