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Affective Responses To Environmental Influences In Immature Rats, William Rudolf Brunner
Affective Responses To Environmental Influences In Immature Rats, William Rudolf Brunner
University of the Pacific Theses and Dissertations
The purpose of the present investigation is to add to the growing body of knowledge about the behavioral development of rats. It is an enlargement of a study by Roberts (1966) who investigated the effects of quantitative reward shifts on the behavior of immature rats. Roberts' experiment was in turn founded on earlier experiments by Crespi (1942). These experiments tested the effect of different quantitative reward levels on the behavior of adult rats. These studies of Crespi are fundamental to the understanding of the present investigation and so are discussed below in some detail.
Crespi trained adult rats, one trail …