The moral reasoning development of college freshmen was investigated over the course of a semester. Participants were tested at the beginning of the semester and at the end of the semester and were either in a course that required active engagement in critical thinking (e.g. perspective-taking, reflection) about social and political issues or in a…

This study delineates modes of thinking that differentiate exceptionally gifted children from more moderately gifted peers. Cognitive differences include viewing the simple as complex, a need for precision, viewing the complex as simple, abstract reasoning ability, early grasp of essential elements of an issue, high capacity for empathy,…

A study involving 31 adults with Down syndrome investigated their ability to reason. Results found they did not differ from typically developing children, matched on expressive and verbal ability, in transitivity and non-verbal analogical thinking; however, they did differ in categorical reasoning, classical verbal analogies, and short-term…

The papers contained in this document were originally presented at the May 1978 conference on Modeling Mathematical Cognitive Development sponsored by the Models of Learning Mathematics Working Group of the Georgia Center for the Study of Learning and Teaching Mathematics. Most have been revised to reflect comments and suggestions made at the…