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Some years ago, the University of Minnesota established a research department for the study of normal children chiefly from the psychologic standpoint. This research work is now beginning to bear fruit, and the book which is herein reviewed is an outstanding example of what can be expected from the study of normal persons, not only from the clinical but also from the psychologic standpoint.
The study has three general objectives: (1) the development of criteria of nervous habits in normal children; (2) the determination of the genesis and incidence of nervous habits in children, and (3) the development of differential tests and measures. After a preliminary study of technic and the evaluation of the reliability, constancy and validity of various nervous habits, observations were made on a certain number of children who had oral, nasal, hirsutal, ocular, aural and genital nervous habits. So far as sex is concerned, girls have
The Measurement of Nervous Habits in Normal Children.. Arch NeurPsych. 1930;23(5):1095. doi:10.1001/archneurpsyc.1930.02220110261022