Theorists
Charles Spielberger – 1927 2013
A comprehensive academic analysis of Charles Spielberger (1927–2013), pioneer of state-trait theory, the STAI assessment,...
# Charles Spielberger
3 results
Scales
Anger assessment with the STAXI-CA
The State-Trait Anger Expression Inventory-Child and Adolescent (STAXI-CA) is a psychometric instrument assessing anger intensity,...
September 27, 2026 • Dr. Mohammed Looti
Scales
State-Trait Anger Expression Inventory (STAXI-2)
The State-Trait Anger Expression Inventory-2 (STAXI-2) is a 57-item psychological instrument developed by Charles D....
September 5, 2026 • Dr. Mohammed Looti