Educational evaluation :

Worthen, Blaine R.

Educational evaluation : alternative approaches and practical guidelines / Blaine R. Worthen and James R. Sanders. - New York : Longman, c1987. - xiv, 450 p. : ill. ; 24 cm.

Includes bibliographical references (p. 418-439) and indexes.

0582285518 (pbk.) 0801301289

86021409

370/.7/8