Recent research suggests that knowledge is stored in the learner's head as a network of concepts or constructs. Children's mathematical problem-solving strategies become increasingly abstract as they are able to engage in more abstract thinking. An experimental study using an alternative Cognitively Guided Instruction approach is described.…

The New Jersey Task Force on Thinking has taken the first steps toward statewide assessment of students' thinking skills. Efforts were made to (1) define requisite thinking competencies, (2) explore measurement of thinking competencies, and (3) make recommendations accordingly. Preliminary findings are reported. (TE)