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This work is a readable and instructive monograph. Though included in a series known as "American Lectures in Objective Psychiatry," it is more accurately described as a study in comparative behavior. Some aspects of the total behavior of the subjects, chiefly goats, sheep, and a few pigs and horses, have been quantitatively recorded and compared with man.
It is implied that the behavior of the animals studied is easier to understand or more readily interpreted than the behavior of man. How doubtful is this inference is shown by the following example: It is suggested that the conditioning experience is traumatic for most adult animals and especially for a young animal separated from its mother. Hence, situations were designed to establish whether, and for what period of time, kids separated from their mother goats are injured by the conditioning experience. It was shown that the behavior of kids so exposed was
Emotional Hazards in Animals and Man. AMA Arch NeurPsych. 1957;77(4):389–390. doi:10.1001/archneurpsyc.1957.02330340065008