Scales

Duke Anxiety-Depression Scale (DUKE-AD)

A psychometric review of the Duke Anxiety-Depression Scale (DUKE-AD), a 7-item clinical screening instrument designed...

September 26, 2026 • Dr. Mohammed Looti
Scales

Brief Patient Health Questionnaire

A comprehensive academic psychometric profile of the Brief Patient Health Questionnaire (Brief PHQ), evaluating its...

September 24, 2026 • Dr. Mohammed Looti
Scales

Health Opinion Survey (HOS)

The Health Opinion Survey (HOS) is a 20-item psychiatric epidemiology screening tool developed by Alexander...

September 23, 2026 • Dr. Mohammed Looti
Scales

The Optimism Scale

A comprehensive academic and psychometric review of the 4-item Optimism Scale from the NLSY97 Mental...

September 23, 2026 • Dr. Mohammed Looti
Scales

Emotional State Questionnaire (EST-Q)

A comprehensive academic guide to the Emotional State Questionnaire (EST-Q), detailing its psychometric properties, subscales...

September 16, 2026 • Dr. Mohammed Looti