Off-campus UMass Amherst users: To download campus access dissertations, please use the following link to log into our proxy server with your UMass Amherst user name and password.
Non-UMass Amherst users: Please talk to your librarian about requesting this dissertation through interlibrary loan.
Dissertations that have an embargo placed on them will not be available to anyone until the embargo expires.
Date of Award
Open Access Dissertation
Doctor of Education (Ed.D.)
Mooney, Richard Francis, "The effect of range restriction on invariance in item response models." (1987). Doctoral Dissertations 1896 - February 2014. 4301.