The development of the object concept in infant squirrel monkeys was investigated as it related to response training in a Wisconsin General Test Apparatus. Piaget's methods for testing children were adapted for monkeys to produce two behavioral tests: an object-permanence task and an object-overpermanence task. The results lent support to the following conclusions: The typical Wisconsin General Test Apparatus response-training procedures assume that the subject, from the outset, has a fully developed object concept; the object concept develops in the infant squirrel monkey; and the development of object permanence in the infant squirrel monkey generally follows along the sequence described by Piaget.Investigators of primate behavior have deplored the lack of learning data from infant squirrel monkeys and, for the most part, attributed this deficiency to the infant's extreme distractibility and emotionality observed in adaptation and response training (H. A.
FO rd ham Un ive rs i t yChanges in the sexist attitudes of college students participating in psychology of women courses were examined. Male students maintained mildly antiliberationist attitudes toward women and traditional, masculinetyped self-descriptions over the course semester. Female students expressed significantly more liberal attitudes toward women and shifted from feminine-typed to androgynous self-descriptions over the course semester. In a developmental psychology class with the same feminist, female professor, male students' attitudes toward women remained mildly antiliberationist whereas female students' attitudes toward women became significantly more liberal over the course semester.Requests for reprints should be sent to Reesa M. Vaughter, Department of Psychology,
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