To address the need to better prepare teachers to enact science education reforms, the National Science Foundation has supported a Research Experience for Teachers (RET's) format for teacher professional development. In these experiences, teachers work closely with practicing scientists to engage in authentic scientific inquiry. Although…

A conceptual model is presented for the development of thinking skills by using an instructional model employing high level cognitive demands. "Distancing" is proposed as the concept to denote behaviors or events that separate the child cognitively from the immediate behavioral environment. Forms and functions of distancing behavior are…