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Shortening of psychological tests – assumptions, methods and doubts
Polish Psychological Bulletin
In this article, on the basis of questionnaire data collected for other purposes, the Authors want to show the consequences of various methods of shortening of tests and what may result from such an action for diagnosticians, researchers and examined individuals. The research aim of the work is to show the best method of shortening of the scale of questionnaires. Will shortening of a questionnaire according to different statistical techniques bring the same results? Will the quality ofdoi:10.1515/ppb-2017-0058 fatcat:gyp3d445zjbkjmoxe52ugu47em