Rigorously and nonrigorously parallel test forms
By: Frederic M. Lord
Series: Research bulletin -- RB-64-14; Research bulletin (Educational Testing Service) -- RB-64-14
Publisher: Educational Testing Service
Published: 1964
Place of publication: Princeton, N.J
Language: eng
Number of pages: 18
Subjects: Psychometrics
Notes: "February 1964."

"Office of Naval Research Contract Nonr-2752(00); Project designation NR 151-201."