Performance of the Mantel-Haenszel statistic and the standardized difference in proportions correct when population ability distributions are incongruent
By: Judith A. Spray and Timothy R. Miller.
Contributors: Miller, Timothy R.; American College Testing Program.
Series: ACT research report series -- no. 92-1.; ACT research report series -- no. 92-1.
Publisher: American College Testing Program
Published: 1992
Place of publication: Iowa City, Iowa
Language: eng
Number of pages: 19
Subjects: Educational tests and measurements -- Validity.; Examinations -- Interpretation -- Mathematical models.
Notes: "July 1992"--Cover.

Includes bibliographical references (p. 16).