A base-free measure of change
By: Ledyard R. Tucker and Fred Damarin and Samuel Messick
Contributors: Damarin, Fred L., 1925-1997; Messick, Samuel
Series: Research bulletin -- RB-65-16; Research bulletin (Educational Testing Service) -- RB-65-16
Publisher: Educational Testing Service
Published: 1965
Place of publication: Princeton, N.J
Language: eng
Number of pages: 29
Subjects: Educational tests and measurements
Notes: "June 1965."

This bulletin is a draft for interoffice circulation. It is automatically superseded upon formal publication of the material.--T.p.

Includes bibliographical references (leaves 25-27).