Many researchers, wishing to generalize to large numbers, have turned away from Piaget's measurement techniques to group paper-and-pencil tests. The psychometric properties of these tests and their statistical links with other constructs are examined, along with the relationship between the observed products of mental effort and their underlying…

A paper-and-pencil test of seven of Inhelder and Piaget's formal operational schemes was developed. Multitrait-multimethod cross-validation procedures indicated that the objective test is a valid and reliable measure. It has the advantage of use in a large group setting without the need for trained clinical interviewers. (Author/PN)

This article presents evidence of the reliability and validity of a new paper-and-pencil test of proportional reasoning, Paper-and-Pencil Balance Beam Test. A Total of 627 individuals, aged 8-47, participated in the 3 studies discussed. Results support previous research which correlates performance on proportional reasoning problems with…

Describes the development of a Piagetian demonstration group test utilized to assess 9-12 year-old students' (N=161) understanding of heat and temperature. Findings include a unitary relationship between Piagetian stages of development and levels of understanding of heat concepts. (DS)