The purpose of this study was to construct a forced-choice rating scale for evaluating students' opinions of college instructors. The scale constructed consists of 20 tetrads, or groups of 4 statements descriptive of instructors. These statements were chosen so that a pair of favorable items, both appearing to be equally favorable, and a pair of unfavorable items, both appearing to be equally unfavorable, make up each tetrad. From each tetrad the rater must choose the item most characteristic and the item least characteristic of the ratee. The reason for choosing items in this manner can be seen in Sisson's statement of the basic assumptions underlying the forced-choice method, which was used in rating Army officers.
Proceedings of the Iowa Academy of Science
©1950 Iowa Academy of Science, Inc.
Rustebakke, A. R.; Lovell, George D.; and Haner, Charles F.
"A Forced-Choice Rating Scale for College Instructors,"
Proceedings of the Iowa Academy of Science, 57(1), 399-406.
Available at: https://scholarworks.uni.edu/pias/vol57/iss1/55