7 found
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  1.  18
    IQs and etiologies: The two-group approach to mental retardation.Charles C. Cleland, Jan Case & Guy J. Manaster - 1980 - Bulletin of the Psychonomic Society 15 (6):413-415.
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  2.  12
    Tool use in profoundly retarded humans: A method of subgrouping.Charles C. Cleland, William V. Rago & Ajit Mukherjee - 1978 - Bulletin of the Psychonomic Society 12 (1):86-88.
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  3.  16
    War and Peace revisited: Practicing positive eugenics.Charles C. Cleland, Jon D. Swartz & Maureen McGavern - 1979 - Bulletin of the Psychonomic Society 14 (2):141-142.
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  4.  15
    Perception of depth in the profoundly retarded.Robert Garcia, Charles C. Cleland, William Rago, Paul Wayne & Jon D. Swartz - 1974 - Bulletin of the Psychonomic Society 4 (3):185-187.
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  5.  20
    Mortality and important events: Another look.William V. Rago, Mark Mason & Charles C. Cleland - 1981 - Bulletin of the Psychonomic Society 17 (2):76-78.
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  6.  19
    Relationship between the frequency of touching and status in institutionalized profoundly retarded.William V. Rago & Charles C. Cleland - 1978 - Bulletin of the Psychonomic Society 11 (4):249-250.
  7.  8
    Cognitive dictionary structure of the elderly.Jon D. Swartz, Louis J. Moran & Charles C. Cleland - 1980 - Bulletin of the Psychonomic Society 16 (5):383-384.
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