The Test of Logical Thinking (TOLT) is a written test of cognitive development constructed to be logically equivalent to specific Piagetian tasks. It consists of 36 open-ended items administered in a one-to-one situation. Subjects were middle to upper class, predominantly white elementary school students. The 168 students were randomly drawn from…

Undergraduates were given complex figural analogies items, and eye movements were observed under three types of feedback: (1) elaborate feedback; (2) subjects verbalized their thinking and application of rules; and (3) no feedback. Both feedback conditions enhanced the rule-governed information processing during inductive reasoning. (Author/GDC)

The purpose of this study was to design a prototype written test of cognitive development based on the model of Piaget. Although the results were not consistent with Piaget's theory, test development was only partially successful. Specifically, validation of the scales was excellent or poor depending on the perspective. Analysis of the item…