s This investigation is based upon a group study of subjects from two Indiana universities-DePauw and Butler. The writer wishes to acknowledge the cooperation of Dr. I. T. Shultz, who circulated a number of the questionnaires among students in the latter institution.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.