Engineering products
Subtitle: experimental manipulations and ratings by supervisors and engineers
By: Thomas B. Sprecher
Contributors: Educational Testing Service
Series: Research bulletin -- RB-65-27; Research bulletin (Educational Testing Service) -- RB-65-27
Publisher: Educational Testing Service
Published: 1965
Place of publication: Princeton, New Jersey
Language: eng
Number of pages: 29
Subjects: Educational tests and measurements
Notes: "August 1965."

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 It is automatically superseded upon formal publication of the material.--T.p.

Includes bibliographical references (p. 17).