Comparative Tests On A Human And A Chimpanzee Infant Of Approximately The Same Age, Pt 2 (1932)
Compares the reactions of a normal human infant between the ages of 10 and 14.5 months to psychological tests, and the responses of a chimpanzee companion, age 7.5 to 12 months, to the same tests. Brings out the effects of different rates of growth and learning abilities and illustrates the capacity of the animal to outdo the child in many tests. Includes hand preference, startle reaction time, delayed reaction, cap-on-head, detour, tickle, ice and rotation tests.
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