Co-authored with Ira Bernstein after Nunnally’s passing, this edition integrated modern inferential procedures and Item Response Theory (IRT). Key Concepts and Frameworks
This feature provides an in-depth exploration of psychometric theory, a branch of psychology that deals with the measurement of psychological attributes, such as intelligence, personality traits, and attitudes. The feature is based on the seminal work of Jum Nunnally, a renowned psychologist who made significant contributions to the development of psychometric theory. psychometric theory nunnally pdf
Nunnally opens with a critical distinction regarding the nature of psychological attributes. Unlike physical attributes (length, weight), psychological attributes (intelligence, anxiety, attitude) are —they cannot be directly observed. The Quest for Reliable Measurements 3rd Edition (1994):