013 656 Knol , Dirk L . ; Berger , Martijn P . F . Empirical Comparison between Factor Analysis and Item Response Models . Project Psychometric Aspects of Item

Psychometric Properties of State Level Subjective Vitality Scale based on classical test theory and Item-response theory

The purpose of the present study was to investigate the factor structure and Item-Response parameters of State Level of Subjective Vitality Scale. The research design was correlational, and the statistical population consisted of students of the Shahid Beheshti University of Tehran. Sample group including 240 students were selected through multi-stage sampling and completed Subjective Vitality ...

ویژگی‌های روانسنجی مقیاس افسردگی نوجوانان براساس نظریه سوال- پاسخ و مقایسه نتایج با نظریه کلاسیک آزمون

Background and Aim: The objective of this study was to assess the psychometric properties of the Adolescent Depression Scale (ADS) based on the item-response theory and compare the results with those based on the classic test theory. Materials and Methods: A total of 750 students (364 males and 386 females) were selected through multistage random clustering (levels proportional to size) and ...

Author's response to reviews Title: Re-evaluating a vision-related quality of life questionnaire with item response theory (IRT) and differential item functioning (DIF) analyses Authors:

Psychometric Properties of the Brief Form of Professor-Students Rapport Scale-based on Classical Test Theory and Item-Response Theory

Introduction: In order to improve the quality of the teaching process, it is necessary to review the professor-student rapport. The purpose of the present study was to investigate the factor structure and item-response parameters of Professor-Students Rapport Scale-Brief (PSRS-B). Methods: In a descriptive-correlation study, 497 students from Shahid Beheshti University of Medical Sciences were ...

Psychometric evaluation of Stanford health assessment questionnaire 8-item disability index (HAQ 8-item DI) in elderly people

  Introduction: Measuring level of disability in elderly in attention to their physical status requires an instrument practicable in elderly and easy to score.   Objective: Survey the reliability and validity of the HAQ 8-item DI in older people residing in Kashan Golabchi nursing home.   Methods: In this methodological study, samples were chosen by census...