Subject
Psychiatry and Mental health,Developmental and Educational Psychology,Pediatrics, Perinatology, and Child Health
Reference12 articles.
1. R. M. Beard(1957 ) An investigation of concept formation among irtfant school children. Unpuhlished Ph.D. thesis: University of London.
2. A PILOT STUDY FOR A QUANTITATIVE INVESTIGATION OF JEAN PIAGET'S ORIGINAL WORK ON CONCEPT FORMATION
3. D. M. Hyde(1959 ) An investigation of Piaget's theories of the development of the concept of number. Unpublished Ph.D. thesis: University of London.
4. A STUDY OF THE CONSERVATION OF SUBSTANCE IN THE JUNIOR SCHOOL CHILD
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