Psychometric Theory Nunnally Pdf «2026 Release»

: Focuses on the homogeneity of items, often measured by Cronbach's alpha . Stability Over Time : Known as test-retest reliability.

: Evaluating stable traits and behavioral styles. psychometric theory nunnally pdf

: Set the "Rule of Thumb" for reliability (e.g., the often-cited 0.70 threshold for Cronbach's Alpha). Lack of Modern Tools : Focuses on the homogeneity of items, often