Abstract
This study was undertaken to produce empirical evidence of validity and reliability of the m-learning implementation instrument constructed based on competency-based education using Rasch Model Analysis. It aims to validate the instrument by using tests in Rasch analysis such as item polarity, fit measure, principal component analysis and reliability. The questionnaire was distributed to 55 teachers teaching Upper Secondary Vocational Programme (PVMA) in the states of Johor and Selangor. Analysis of the Rasch Measurement Model was performed using Winsteps software version 3.69.1.11. The final instrument recorded 47 items that can be used to measure the eight constructs of the study. This study shows that the Rasch Measurement Model can help researchers build a good instrument as the items constructed offset psychometric standards.
Highlights
The study of the validity and reliability of the instrument is very important to maintain the accuracy and obtain quality questionnaires
This study aims to test the validity and reliability in the implementation of mobile learning based on Competency-Based Education instruments for the teacher at the secondary school using Rasch analysis
This section describes the demographic distribution of study respondents, item validity analysis consisting of polarity test, fit measure and Principal Component Analysis (PCA) and reliability of study tools for m-learning implementation that have been constructed using Rasch analysis
Summary
The study of the validity and reliability of the instrument is very important to maintain the accuracy and obtain quality questionnaires. The higher the value and the higher the validity and reliability of the questionnaire, the more accurate the data will be. This study was conducted to generate empirical evidence on the validity and reliability of the m-learning implementation questionnaire based on Competency-Based Education using the Rasch Measurement Model. If the PTMEA CORR value is positive, it suggests that each item can achieve its purpose of measuring the construct to be measured. If the PTMEA CORR value obtained is negative, the item is inconsistent in measuring the construct of a study (Bond & Fox, 2015a)
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