Forced-Choice vs Free-Response in Personality Assessment
Two self-rating adjective check lists (ACL) were administered to 44 students in a course on psychological measurement. The first ACL administered was the regular free response list, followed immediately with a forced-choice version in which the adjectives were arranged into tetrad sets. Ipsative scoring was used and profiles compared. The correlations between the profiles ranged from −1.00 to 1.00, more than 40% falling in the negative range. Ss gave their impressions and reactions to both inventories, and evaluated the relative validity of the results. A majority favored the free-response technique and felt that it would yield a more accurate description of their self-concepts and personality structures. General consensus was that the forced-choice instructions led to frustration, increased irritability, and decreased motivation. Ss felt that the free-response instrument presented a more relaxing situation and was even enjoyable to take. Ss' verbal reactions were consistent with the statistical results. The findings suggest that the forced-choice method is likely to be inappropriate for use with adjective check lists in self-concept assessment and analysis, and may lead not only to distortion in the personality profiles, but also to reversals.