Citation

Johnson EC, Josey CC. J. Abnorm. Soc. Psychol. 1931; 26(3): 338-339.

Copyright

(Copyright © 1931, American Psychological Association)

DOI

10.1037/h0075301

PMID

unavailable

Abstract

An attempt was made to duplicate the study of development of logical thinking made by Piaget. The results substantiated few of Piaget's claims. (PsycINFO Database Record (c) 2006 APA, all rights reserved)