Analysis of the Indonesian Version of the Statistical Anxiety Scale (SAS) Instrument with a Psychometric Approach

Deni Iriyadi, Ahsanul Khair Asdar, Bambang Afriadi, Mohammad Ardani Samad, Yogi Damai Syaputra


This study aims to validate the psychometric approach (using the RASCH Model and Confirmatory Factor Analysis) on the Indonesian version of the Statistical Anxiety Scale (SAS) instrument. Sampling in this study used cluster random sampling with a total sample of 1651 which was divided into 3 regions of Indonesia (Western Indonesia, Central Indonesia and Eastern Indonesia) with details of 457 males (27.46%) and 1194 females (72.54%). The number of samples from the West Indonesia region was 922 people (55.71%), the Central Indonesia region was 605 people (36.76%), and the Eastern Indonesia region was 124 people (7.53%). The results of the factor analysis (CFA) show that the dimensions/elements of the SAS instrument meet the criteria which are then continued using the Rating Scale Model (RSM) approach. From the results of the tests performed, it shows that all items on the Statistical Anxiety Scale (SAS) instrument meet the specified criteria. Thus, the SAS instrument adopted in the Indonesian context can be used to measure students' statistical anxiety. The results of the research conducted became the initial capital to increase students' statistical anxiety considering that statistics courses are needed in completing studies, especially quantitative research.


Statistical Anxiety; Statistical Anxiety Scale; Psychometric Approach; Rasch Model; Factor Analysis

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