Which comes first, cause or effect?
By: Paul W. Holland
Contributors: Educational Testing Service
Series: Research report no. 87-8; Technical report / Program Statistics Research, Educational Testing Service -- no. 87-74; Research report (Educational Testing Service) -- RR-87-8; Program statistics research technical report -- no. 87-74
Publisher: Educational Testing Service
Published: 1986
Place of publication: Princeton, NJ
Language: eng
Number of pages: 11
Subjects: Causation; Mathematical models
Notes: "September 1986."

Includes bibliographical references (p. 10-11).