Giving a choice of topics on a test of basic writing skills
Subtitle: does it make any difference?
By: Donald E. Powers ... [et al.].
Series: The Praxis series; RR.92-19; Praxis series; Research report (Educational Testing Service) -- RR-92-19
Publisher: Educational Testing Service
Published: 1992
Place of publication: Princeton, N.J.]
Language: eng
Number of pages: 14
Subjects: National teacher examinations; Examinations; Validity
Notes: "January 1992."

Includes bibliographical references (p. 14).