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This book contains essays contributed by the author to various publications during the past year, as well as others especially prepared for this volume, the whole forming a coherent series. The psychology is pragmatic; the problems discussed are those of the everyday life of the moment. It is a demonstration of clear thought applied to the beliefs of the public. The author displays an intensive knowledge of medical science, and information such as is demonstrated by few of the collegians who specialize in the related sciences.
The present volume is an analysis of the credulity and opinion of the public. It is important as defining the growth of that public opinion, which it analyzes as "outgrown beliefs which still linger in strange persistence, popular beliefs in conflict with expert conclusion and the varied range of controversy in which protagonists contend for opposite verdicts upon much the same though differently selected
The Psychology of Conviction. A Study of Beliefs and Attitudes.. JAMA. 1918;71(1):61–62. doi:10.1001/jama.1918.02600270063024