Growth of intelligence in the pre-school years

Documents the growth of the thinking processes in the preschool years. Illustrates developmental changes and clarifies certain Piagetian terms often mystifying the student of Piaget.

Copyright

Sources

  1. 16mm Filmography (legacy record) — title, description, catalog record
  2. U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright