Estimating conditional probabilities of success and other course placement validity statistics under soft truncation
By: Jeff Schiel
Contributors: American College Testing Program
Series: ACT research report series --  98-2
Publisher: ACT, Inc.
Published: 1998
Place of publication: Iowa City, Iowa
Language: eng
Number of pages: 40
Subjects: ACT assessment -- Statistics; ACT assessment -- Validity
Notes: Bibliography: p. 39