Developmental versus difference theories of mental retardation and the problem of motivation
Am J Ment Defic
.
1969 Jan;73(4):536-56.
Author
E Zigler
PMID:
5762251
No abstract available
MeSH terms
Child
Child Development
Cognition*
Humans
Intellectual Disability / etiology*
Intellectual Disability / genetics
Intelligence
Intelligence Tests
Motivation*
Psychological Theory
Time Factors