Depression, Anxiety and Stress Scales DASS-21

Comprehensive academic overview of the Depression, Anxiety and Stress Scales (DASS-21), including theoretical foundation, psychometric...

September 26, 2026 • Dr. Mohammed Looti

Edinburgh Depression Scale

The Edinburgh Postnatal Depression Scale (EPDS) is a 10-item self-report questionnaire developed by John L....

September 26, 2026 • Dr. Mohammed Looti

Generalized Contentment Scale (GCS)

The Generalized Contentment Scale (GCS) is a 25-item psychometric instrument developed by Walter W. Hudson...

September 26, 2026 • Dr. Mohammed Looti

Geriatric Depression Rating Scale (GDS)

A comprehensive psychometric analysis and review of the Geriatric Depression Scale (GDS), covering theoretical foundations,...

September 26, 2026 • Dr. Mohammed Looti

Hamilton Depression Rating Scale (HAM-D)

A comprehensive academic analysis of the Hamilton Depression Rating Scale (HAM-D), covering its psychometric properties,...

September 26, 2026 • Dr. Mohammed Looti

Hopefulness-Hopelessness Questionnaire

A comprehensive psychometric guide to the Hopefulness-Hopelessness Questionnaire (HHQ), detailing its theoretical foundation in the...

September 26, 2026 • Dr. Mohammed Looti

Hopefulness-Hopelessness Questionnaire

The Hopefulness-Hopelessness Questionnaire (HHQ) is a psychometric scale developed by Jim Orford and colleagues to...

September 26, 2026 • Dr. Mohammed Looti