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The Effects Of Effort And Day Of Exposure On Imprinting, Jean Elizabeth Van Dyke
The Effects Of Effort And Day Of Exposure On Imprinting, Jean Elizabeth Van Dyke
University of the Pacific Theses and Dissertations
24 pairs of newly-hatched Leghorn chicks were randomly divided into 3 groups. Ss in one group followed a moving object for 30 min on Day 1 of life; Ss in another group followed for 30 min on Day 2; Ss in the remaining group followed for 15 min on Day 1 and 15 min on Day 2. One S in each pair followed by his own effort, while the other S rode behind the object in a transparent box. On Day 4, Ss were tested for the duration of following of the object. No important differences among groups were observed. …