Depression
The PHQ-9, a 9-item questionnaire, effectively screens and assesses depression severity in adults for clinical and research purposes.
July 22, 2025
Scale Categories
Articles
Psychiatry
The Pittsburgh Sleep Quality Index (PSQI) is a vital self-report tool for assessing sleep quality and disturbances over a one-month period.
July 22, 2025
Psychiatry
The SCL-90-R evaluates psychological distress, guiding clinicians and researchers in mental health assessment and treatment planning.
July 22, 2025
Depression
The Zung Self-Rating Depression Scale (SDS) is a widely used 20-item measure for assessing depression severity, guiding treatment, and supporting mental health research.
July 21, 2025
Depression
The Edinburgh Postnatal Depression Scale (EPDS) is a vital 10-item tool for screening postnatal depression, aiding researchers and clinicians.
July 20, 2025
Psychiatry
Explore the Cognitive Failures Questionnaire (CFQ), a validated tool for assessing cognitive lapses in daily life, aiding researchers and clinicians.
June 16, 2025
Psychiatry
The Leeds Dependence Questionnaire (LDQ) is a validated tool for measuring substance dependence severity, offering clinical insight and research value across diverse treatment populations.
June 16, 2025
Psychiatry
The Pain Catastrophizing Scale (PCS) assesses catastrophic thinking related to pain, including rumination, magnification, and helplessness. It is crucial for researchers and clinicians.9
June 16, 2025
Psychiatry
The D-FIS measures fatigue’s impact on daily activities, aiding researchers and clinicians in chronic illness management.
June 2, 2025
Psychiatry
The PSEQ assesses pain self-efficacy in chronic pain, aiding researchers and clinicians in treatment planning and research studies.
May 31, 2025
Depression
The Hamilton Depression Rating Scale (HAM-D/HRDS) quantifies depression severity, aiding clinicians and researchers in treatment and monitoring.
May 30, 2025
Anxiety
The Penn State Worry Questionnaire (PSWQ) assesses worry in adults, aiding GAD diagnosis and research with reliable, validated metrics.
May 30, 2025
Depression
This guide covers the BDI-II’s purpose, scoring method, reliability, applications, and FAQs for researchers and clinicians.
May 10, 2025
Psychiatry
The PANAS questionnaire is an essential tool for measuring emotional states and mood across various populations. Learn about its features, scoring methods, and clinical utility
May 10, 2025
Anxiety
Discover the Beck Anxiety Inventory (BAI), a validated 21-item scale to assess anxiety severity across diverse age groups in both research and clinical contexts.
May 10, 2025
Psychiatry
Explore the GAD-7 questionnaire for generalized anxiety disorder screening. Learn about its features, scoring, applications, and clinical utility. Free, reliable, and widely available in over
April 30, 2025