School connectedness instrument’s testing with the Rasch model for high school students during the COVID-19 pandemic

Abstract

This study aims to produce a school connectedness instrument for high school students in Yogyakarta. This research is quantitative and descriptive. The sample in this study was 526 high school students in Yogyakarta who had implemented online learning. The sampling technique used is simple random sampling. The data collection of this research was carried out using a questionnaire technique. The data analysis in this study used quantitative analysis techniques using the Rasch model. The results showed that the instrument had good reliability with a coefficient value of 0.86 and various item separations with a value of 2.46. The analysis results show that the subject has a reliability of 0.99 in the excellent category and a person separation value of 11.03, which indicates that the subject’s character varies significantly to detect the items developed. Overall, all items are declared fit and can be used to measure school connectedness in students.