Scales
Fatigue Severity Scale (FSS)
The Fatigue Severity Scale (FSS) is a widely utilized 9-item self-report questionnaire designed to assess...
# Reliability
21 results
Scales
HOLSERV Scale
The HOLSERV Scale is a hospitality-specific service quality instrument developed by Mei, Dean, and White...
Scales
SERVQUAL
A comprehensive academic guide to the SERVQUAL scale by Parasuraman, Zeithaml, and Berry (1988), examining...
Scales
International Physical Activity Questionnaire – Short Form (IPAQ-SF)
A comprehensive academic psychometric evaluation of the International Physical Activity Questionnaire – Short Form (IPAQ-SF),...
Theories
Classical Test Theory (True Score Theory) – Charles Spearman & Harold Gulliksen
A comprehensive academic analysis of Classical Test Theory, exploring its mathematical foundations, axiomatic assumptions, and...
Scales
Warwick-Edinburgh Mental Well-being Scale
A comprehensive academic analysis of the Warwick-Edinburgh Mental Well-being Scale (WEMWBS), covering its theoretical foundations,...
Scales
Arabic Version of the Musculoskeletal Health Questionnaire
A comprehensive psychometric review and academic analysis of the Arabic Version of the Musculoskeletal Health...
Scales
Predicaments Questionnaire
The Predicaments Questionnaire (PQ) is a 40-item psychological scale assessing societal attitudes toward suicide across...
Scales
Best Practices for Developing and Validating Scales (Primer)
A comprehensive academic analysis of the nine-step psychometric scale development and validation framework authored by...