Revealed difference questionnaire (RDQ).

Bibliographic Details
Main Author:	Jacob, Theodore
Corporate Author:	Educational Testing Service
Format:	Microform Book
Language:	English
Published:	[Place of publication not identified] : [publisher not identified] ; [1974]
Series:	Tests in microfiche ; no. 017502.
Subjects:	Family life surveys.

Evans: Microforms (3rd floor)