![]() The 4-point rating scale was appropriate, and the separation indices were at an acceptable level.Ĭonclusion: Based on these results, the validity and reliability of the Rosenberg Self-Esteem Scale for use with individuals with ID were verified. Additionally, item difficulties were appropriate Item 4 was the most difficult item, while Item 10 was the easiest item. Results: Item infit mean square values were found to range between 0.71 and 1.25, and item outfit mean square values between 0.71 and 1.26. The validity and reliability of scale items were verified through analyses of item fit, item difficulties, the rating scale, and separation indices. Methods: Rasch analysis was carried out on data from 223 respondents to the 8th Panel Survey on Employment for the Disabled conducted by the Korea Employment Agency for the Disabled. 2Department of Secondary Special Education, College of Education, Jeonju University, Jeonju, South Koreaīackground: The purpose of this study was to examine the psychometric properties of the Rosenberg Self-Esteem Scale for individuals with intellectual disabilities (ID) using the Rasch model and to determine whether the scale is valid and reliable for use with this population. ![]() 1Department of Rehabilitation, College of Medical Sciences, Jeonju University, Jeonju, South Korea.
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