Nunnally Pdf !!install!! - Psychometric Theory
Published by McGraw-Hill, this edition laid the groundwork. It was revolutionary for its emphasis on construct validity over simple criterion validity. However, it predates the widespread adoption of Cronbach’s alpha as we know it today.
The undisputed "bible" of classical psychometrics. If you need a deep, mathematically grounded understanding of reliability, validity, and scale construction, this is essential reading. The PDF version is a practical (if legally gray) workaround for accessing a long out-of-print classic. psychometric theory nunnally pdf
It provides deep dives into test construction, reliability, and factor analysis. Sage Journals Mathematical Approach: Published by McGraw-Hill, this edition laid the groundwork