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Author:
Stevenson, Harold W.
;
Friedrichs, Ann G.
;
Simpson, William E.
Title:
Learning and problem solving by the mentally retarded under three testing conditions.
Journal:
Developmental Psychology
, 3/1970/3, S.307-312.
Language:
english
Publication Year:
1970
Publication Type:
periodical article
Descriptors:
mentally handicapped person
;
adolescent
;
grading
;
learning achievement
;
problem solving behaviour