Denoting the base-free measure of change
By: Samuel Messick
Series: Research report -- RR-80-28; Research report (Educational Testing Service) -- RR-80-28
Publisher: Educational Testing Service
Published: 1980
Place of publication: Princeton, N.J
Language: eng
Subjects: Educational tests and measurements
Notes: "December 1980."

Includes bibliographical references (p. [6]).