A comparison of percentage of pupillary dilation with other measures of difficulty of mental multiplication items
By: Donald T. Payne, Mary Ellen Parry and Stefan J. Harasymiw
Contributors: Parry, Mary Ellen; Harasymiw, Stefan J.
Series: RB-67-42; Research bulletin (Educational Testing Service) -- RB-67-42
Publisher: Educational Testing Service
Published: 1967
Place of publication: Princeton, N.J
Language: eng
Number of pages: 35
Subjects: Educational tests and measurements
Notes: "September 1967."

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 It is automatically superseded upon formal publication of the material.--T.p.

Includes bibliographical references (p. 35).