Some empirical guidelines for building testlets
By: Howard Wainer, Bruce Kaplan, Charles Lewis
Contributors: Kaplan, Bruce; Lewis, Charles, 1943-
Series: Program statistics research technical report -- no. 91-14; Research report -- no. 91-56; Research report (Educational Testing Service) -- RR-91-56
Publisher: Educational Testing Service
Published: 1991
Place of publication: Princeton, N.J
Language: eng
Number of pages: 10
Subjects: Examinations; Design and construction
Notes: "October 1991."

Includes bibliographical references (p. 10).