“Organization of Behavior in the Albino Rat”, 1935-02-01 (; backlinks; similar):
The present study carries the current question as to the organization of behavior into the realm of comparative psychology.
64 albino rats were given the following tests: revolving-wheel activity cage, Warner-Warden maze (2 patterns), elevated T-maze (2 patterns), Jenkins circular problem box, latch problem box, Warner’s conditioned-response test, Columbia obstruction apparatus. Reliabilities of the scores were obtained as well as intercorrelations of scores. Thurstone’s center-of-gravity method of factor analysis was then applied. Corrected reliabilities, for the most part, ran 0.70–0.95. Positive correlations were found in about 85% of the cases, although most of them were quite low.
Thurstone’s center-of-gravity method of factor analysis revealed the following factors: (1) docility—maze-learning, intelligence, tameness; (2) transfer—distinguishing early from later tests; (3) a factor specific to the different conditioned-response scores.
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