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Behavior disturbance was found to be more frequent among mildly retarded (MMR) than a group of young adults matched during childhood for age, sex and social class. Reasons for this were examined. An unstable environment in childhood was found to be significantly related to behavior disturbance in both MMR and controls. The greater frequency of behavior disturbance among the MMR was due to their more frequently experiencing unstable environments in childhood than comparisons. Further, when stability of upbringing was held constant, differences in behaviour disturbance between the two groups were no longer found. Central nervous system damage was found not to be a contributory factor.
H Koller, and
S A Richardson, and
M Katz
November 1982,
American journal of mental deficiency,
H Koller, and
S A Richardson, and
M Katz
February 1980,
Psychiatrie, Neurologie, und medizinische Psychologie,
H Koller, and
S A Richardson, and
M Katz
October 1980,
The American journal of occupational therapy : official publication of the American Occupational Therapy Association,
H Koller, and
S A Richardson, and
M Katz
January 1978,
American journal of mental deficiency,
H Koller, and
S A Richardson, and
M Katz
October 1988,
Psychological reports,
H Koller, and
S A Richardson, and
M Katz
September 1979,
American journal of mental deficiency,
H Koller, and
S A Richardson, and
M Katz
January 1987,
Research in developmental disabilities,
H Koller, and
S A Richardson, and
M Katz
November 1988,
American journal of mental retardation : AJMR,
H Koller, and
S A Richardson, and
M Katz
April 1948,
American journal of mental deficiency,
H Koller, and
S A Richardson, and
M Katz
July 1985,
American journal of mental deficiency,
