Abel, TheodoraM.The relationship between academic success and personality organization among subnormal girls. American Journal of Mental Deficiency, 1945, 50, 251–256.
2.
AusubelD. P.BalthazarB. B.RosenthalIreneBlackmanL. S.SchpoontS. H. and WelkowitzJoan. Perceived parent attitudes as determinants of children's ego structure. Child Development, 1954, 25, 173–183.
3.
BlackmanL. S.The effects of personality and group oriented feelings of success and failure on aspirational shifts. Unpublished doctoral dissertation, University of Illinois, 1954.
4.
CromwellR. L.Selected aspects of personality development in mentally retarded children. Exceptional Children, 1961, 28, 44–51.
5.
Di CarloL. M.A comparative study of some characteristics in achievers and non-achievers among children with retarded mental development. Syracuse, New York: Syracuse University Research Institute, 1958.
6.
EdwardsA. L.Statistical methods for the behavioral sciences. New York: Rinehart and Company, 1954.
7.
JacobsJ. N.A study of performance of slow learners in the Cincinnati public schools on mental and achievement tests. American Journal of Mental Deficiency, 1957, 62, 238–243.
8.
KirkS. A.Early education of the mentally retarded. Urbana, Illinois: University of Illinois Press, 1958.
9.
Merrill, MaudeA.On the relation of intelligence to achievement in the case of mentally retarded children. Comparative Psychology Monograph, 1924, 2, 1–100.
10.
Scars, PaulineS.Levels of aspiration in academically successful and unsuccessful children. Journal of Abnormal and Social Psychology, 1940, 35, 498–536.