Difficulty prediction of test items.

Bibliographic Details
Uniform Title:	Contributions to education ; no. 941.
Main Author:	Tinkelman, Sherman, 1916-
Language:	English
Published:	New York : Bureau of Publications, Teachers College. Columbia Univ., 1947 [i. e. 1948]
Series:	Contributions to education ; no. 941.
Subjects:	Educational tests and measurements.
Physical Description:	55 pages ; 24 cm.
Format:	Book

Description
Note:	Issued also as thesis, Columbia Univ.
Call Number:	LB5 .C8 no.941
Bibliography Note:	Bibliography: pages 54-55.