Studied high school and university students' use of mental representations in reasoning, and the developmental progression of their reasoning with concrete and abstract content. Reasoning was more difficult with abstract content. Abstract problems followed by concrete ones led to reduced concrete problem performance for high schoolers but not for…

Accent on Developing Abstract Processes of Thought (ADAPT) is a program designed to promote critical thinking among college students. Based on the theoretical work of Jean Piaget, it attempts to help University of Nebraska freshmen confront problems and follow them through to logical solutions. In its first year, the program's goals were to…

The roles of impersonal (or abstract) and relational (or connected) modes of knowing in the experiences of young adults were studied, and the ways the two converge are described in this report of the post-college phase of a 7-year longitudinal study of the epistemological development of college students, i.e., their assumptions about the limits,…