A method for comparing the performance of different groups on the items in a test
By: Carolyn Cardall and William E. Coffman
Contributors: Coffman, William Eugene, 1913-; Educational Testing Service
Series: College Entrance Examination Board. Research and development reports, RDR-64-5, no. 9; Research bulletin -- RB-64-61; College Entrance Examination Board -- RDR-64-5, no. 9; Research bulletin (Educational Testing Service) -- RB-64-61
Publisher: Educational Testing Service
Published: 1964
Place of publication: Princeton, N.J
Language: eng
Number of pages: 10
Subjects: Educational tests and measurements; Intelligence tests; Psychological tests; Performance
Notes: "November 1964."

Includes bibliographical references (p. 10).