An empirical investigation of the accuracy of a step-up method for estimating test score conditional variances
By: Imelda C. Go, David J. Woodruff
Contributors: Woodruff, David; American College Testing Program
Series: ACT research report series -- 96-4
Publisher: American College Testing Program
Published: 1996
Place of publication: Iowa City, Iowa
Language: eng
Number of pages: 12
Subjects: Examinations -- Scoring -- Mathematical models -- Evaluation; Educational tests and measurements
Notes: "June 1996"--Cover

Includes bibliographical references (p. 9)