Linear models for item scores
Subtitle: reliability, covariance structure, and psychometric inference
By: David Woodruff.
Contributors: American College Testing Program.
Series: ACT research report series -- 93-4; ACT research report -- no. 93-4.
Publisher: American College Testing Program
Published: 1993
Place of publication: Iowa City, Iowa
Language: eng
Number of pages: 35
Subjects: Analysis of variance.; Educational tests and measurements; Linear models (Statistics)
Notes: "August 1993."

Includes bibliographical references (p. 29-33).