The Effectiveness of Rasch Model in Ranking the Intolerance Scale in the Multiphasic Personality Inventory

Abstract

This study aims at investigating the effectiveness of Rasch model in ranking the intolerance scale in the Multiphasic Personality Inventory. To achieve this objective, a scale consisting of (32) items was applied to (400) randomly selected students from Imam Muhammad ibn Saud Islamic University. The responses were analyzed using Rasch model based on the modern theory of measurement.

The findings show that responses to (23) items match the assumptions of Rasch model, whereas (9) do not. The findings also indicate that the measurement independence is achieved in terms of the scale’s items and individuals’ abilities, and that the amount of information is high at the different levels of ability, which means that the abilities of the individuals are accurately estimated.