Illness Worry Scale (IWS)

The Illness Worry Scale (IWS), developed by Robbins and Kirmayer, is a 12-item psychometric instrument...

September 26, 2026 • Dr. Mohammed Looti

Interaction Anxiousness Scale

The Interaction Anxiousness Scale (IAS) is a foundational 15-item psychometric assessment developed by Mark R....

September 26, 2026 • Dr. Mohammed Looti

The Liebowitz Social Anxiety Scale (LSAS)

A comprehensive academic psychometric review of the Liebowitz Social Anxiety Scale (LSAS), examining its theoretical...

September 26, 2026 • Dr. Mohammed Looti

Penn State Worry Questionnaire (PSWQ)

Comprehensive academic guide to the Penn State Worry Questionnaire (PSWQ), detailing its psychometric properties, theoretical...

September 26, 2026 • Dr. Mohammed Looti

Non-Productive Thoughts Questionnaire

A comprehensive psychometric guide to the Non-Productive Thoughts Questionnaire for Children (NPTQ-C), evaluating repetitive negative...

September 26, 2026 • Dr. Mohammed Looti