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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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Peer reviewed Peer reviewed
ERIC Number: EJ136170
Record Type: CIJE
Publication Date: 1975
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
On Defining Mental Retardation
Baumeister, Alfred A.; Muma, John R.
Journal of Special Education, 9, 3, 293-306, F 75
Descriptors: Adjustment (to Environment), Definitions, Exceptional Child Research, Mental Retardation, Organizations (Groups)
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: American Association on Mental Deficiency