Information about how school principals operate pertains mainly to the actions of principals. However, the kinds of knowledge that the principalship demands have not been isolated as clearly, more often than not being conflated with actions. As principals' duties become more complex, it becomes more important to ground specific practices in robust…

This monograph presents commentaries on the book "Dimensions of Thinking: A Framework for Curriculum and Instruction" (which organizes research and theory from several sources into a framework for teaching thinking), by four of its seven authors. The four articles are as follows: "The Development of 'Dimensions of Thinking'"…

A study explored the responses of medical students, resident physicians, and experienced physicians to 12 vignettes describing hypothetical patients to determine the relationship between clinical experience and susceptibility to bias in treatment decisions resulting from presentation of possible outcomes. Framing bias was most evident in the…

The diagnostic discourse of medical students and physicians in thinking-aloud protocols on paper cases was analyzed for evidence of semantic structure. Results show that structural semantics can be used to distinguish various levels of mental processing among novices as well as between novices and professionals. (MSE)

A study assessed the effectiveness of three cognitive levels of instruction with first graders--three-dimensional (3-D) instruction using real objects, two-dimensional (2-D) instruction using picture representations, and verbal instruction. The study population included 18 first-grade students between the ages of 6 and 8 at a small elementary city…