The Quality of Life Enjoyment and Satisfaction Questionnaire (Q-LES-Q©) is a comprehensive, validated psychiatric assessment instrument developed by Dr. Jean Endicott at Columbia University. This...
Depression Assessment Resources
Depression assessment requires comprehensive evaluation of mood symptoms, functional impairment, and treatment response. Our collection includes validated instruments for screening, diagnosis, and monitoring outcomes across the full spectrum of depressive disorders.
These tools support evidence-based assessment practices recommended by professional guidelines, including self-report measures and clinician-administered scales. Each instrument has been extensively validated and is widely used in clinical practice and research settings.
Whether you're conducting initial screenings, comprehensive diagnostic evaluations, or monitoring treatment response, these depression assessment tools provide the reliability and validity needed for accurate clinical decision-making.
MedWorks Media Licensed Scales
Professional-grade depression assessment instruments available for research licensing and clinical applications.
The Quality of Life Enjoyment and Satisfaction Questionnaire – Short Form (Q-LES-Q-SF)© represents a streamlined version of the original Q-LES-Q, specifically designed for efficient clinical...
The Quality of Life Enjoyment and Satisfaction Questionnaire – 18 (Q-LES-Q-18)© represents a strategically abbreviated version of the original Q-LES-Q, specifically developed by Ritsner and...
The Pediatric Quality of Life Enjoyment and Satisfaction Questionnaire (PQ-LES-Q)© represents a specialized adaptation of the adult Q-LES-Q, specifically designed to assess quality of life...
The Geriatric Depression Scale Short Version (GDS-SV)© represents a streamlined adaptation of the original 30-item Geriatric Depression Scale, specifically developed by Sheikh and Yesavage to...
The Geriatric Depression Scale Long Form (GDS-30)© represents the original and most comprehensive version of the internationally recognized geriatric depression assessment instrument, developed by Brink,...
Public Domain Depression Assessment Tools
Freely available, validated depression assessment instruments for immediate download and clinical use.
SDS / Zung SDS
Zung Self-Rating Depression Scale
The Zung Self-Rating Depression Scale (SDS) is a widely-used 20-item self-administered questionnaire developed by Dr. William Zung in 1965 to assess the severity of depression...
The Major (ICD-10) Depression Inventory (MDI) is a 12-item self-report assessment instrument developed by Dr. Per Bech and colleagues to evaluate depression symptoms according to...
The Patient Health Questionnaire (PHQ-9) is a widely-used 9-item self-administered depression screening and severity assessment tool developed by Dr. Kurt Kroenke and colleagues. Based directly...
The Quick Inventory of Depressive Symptomatology—Self-Report (QIDS-SR) is a 16-item self-administered assessment instrument developed by Dr. A. John Rush and colleagues to evaluate the severity...
HAM-D / HDRS
The Hamilton Rating Scale for Depression
The Hamilton Rating Scale for Depression (HAM-D) is a clinician-administered assessment instrument originally developed by Dr. Max Hamilton in 1960 to evaluate the severity of...
The Depression, Anxiety and Stress Scale-21 (DASS-21) is a 21-item self-report questionnaire developed by Lovibond and Lovibond to assess the severity of depression, anxiety, and...
The Cornell Scale for Depression in Dementia (CSDD) is a specialized 19-item clinician-administered assessment instrument developed by Dr. George Alexopoulos and colleagues specifically to evaluate...
The Center for Epidemiologic Studies Depression Scale (CES-D) is a 20-item self-report questionnaire developed by Dr. Lenore Radloff at the National Institute of Mental Health...
