Scales

Narcissistic Personality Inventory (NPI-16)

A comprehensive academic guide to the Narcissistic Personality Inventory-16 (NPI-16), detailing its theoretical framework, psychometric...

September 5, 2026 • Dr. Mohammed Looti
Scales

Brief Symptom Inventory (BSI)

The Brief Symptom Inventory (BSI) is a 53-item self-report clinical rating scale developed by Leonard...

September 5, 2026 • Dr. Mohammed Looti
Scales

Social Phobia Scale (SPS)

The Social Phobia Scale (SPS) is an established 20-item psychometric instrument developed by Mattick and...

September 5, 2026 • Dr. Mohammed Looti
Scales

Social Interaction Anxiety Scale (SIAS)

Comprehensive academic overview of the Social Interaction Anxiety Scale (SIAS) developed by Mattick and Clarke,...

September 5, 2026 • Dr. Mohammed Looti
Scales

Panic Disorder Severity Scale (PDSS-SR)

A comprehensive psychometric guide to the Panic Disorder Severity Scale – Self-Report (PDSS-SR), detailing its...

September 5, 2026 • Dr. Mohammed Looti
Scales

Panic Disorder Severity Scale (PDSS-SR)

A comprehensive academic guide to the Panic Disorder Severity Scale – Self-Report (PDSS-SR), covering psychometric...

September 5, 2026 • Dr. Mohammed Looti