“…RASCH analysis is a simple analysis and has some advantages that could not be found in other method (Boone, 2016;Goh, Marais, & Ireland, 2017;Hagquist & Andrich, 2017). In the analysis process, it does not only pay attention to the raw score to assess the respondents' ability, but it also pay attention to the pattern of respondents' answers and the level of difficulty of the problem (Goyder, 2019;Marfu'i, Ilfiandra, & Nurhudaya, 2018). The RASCH Model, which is a 1-PL model, could use a sample of population that is not as large as the 2PL or 3PL analysis model (Istiyono, Mardapi, & Suparno, 2014;Othman, Asshaari, Bahaludin, Nopiah, & Ismail, 2012;Thomas et al, 2014).…”