Relationships of test item characteristics to test preparation/test practice effects
Subtitle: a quantitative summary
By: Donald E. Powers
Contributors: Educational Testing Service
Series: Research report -- RR-86-3; Research report (Educational Testing Service) -- RR-86-3
Publisher: Educational Testing Service
Published: 1986
Place of publication: Princeton, N.J
Language: eng
Number of pages: 33
Subjects: SAT (Educational test); Educational tests and measurements
Notes: "January 1986."

Includes bibliographical references (p. 16-19).