Background and Purpose: Mathematical modelling competency is one of the vital characteristics in mathematics education. Educational researchers have updated the benefit of modelling as key factor to the study of complexity and modern science. Since many scholars frequently adopt instrument from one cultural background to another, they also offer proof on the issue of validity and reliability. The present paper aimed at validating a mathematical modelling test for secondary prospective mathematics teachers.   Methodology: We utilized a survey approach to examine the factor structure of mathematical modelling test for 202 secondary prospective mathematics teachers, selected by cluster random sampling. Mathematical modeling test was adapted to measure the desired constructs. More importantly, we used exploratory factor analysis (EFA), confirmatory factor analysis (CFA) using AMOS 18 and Rasch measurement model with Winstep version 3.73 to analyze the data.   Findings: The EFA and CFA technique verified that a mathematical modelling test was acceptable for Indonesian prospective mathematics teachers. In addition, Rasch analysis also confirmed that all items fit the criteria well and implied that all items are valid in measuring student mathematical modelling competency. This finding concludes that the mathematical modelling test of Indonesian prospective mathematics teachers have an eight-dimension structure.    Contributions: This present research contributes towards psychometric measure on the reliability and validity of a mathematical modelling test in mathematics education programs.   Keywords: Confirmatory factor analysis, mathematical modelling competency, Rasch measurement model.   Cite as: Hidayat, R., Qudratuddarsi, H., Mazlan, N. H., & Mohd Zeki, M. Z. (2021). Evaluation of a test measuring mathematical modelling competency for Indonesian college students.  Journal of Nusantara Studies, 6(2), 133-155. http://dx.doi.org/10.24200/jonus.vol6iss2pp133-155

Policy implementation requires the act of translating the goals and objectives of policy into actions. Policy implementation is a difficult process because how policy actors and implementers act on the policy on a large scale may decide whether it succeeds or fails. There is a growing recognition that policies do not succeed or fail on their own, but instead due to a lack of leadership qualities in policy implementation. The study aims to develop and validate the instrument for measuring the public leadership construct of school leaders in Malaysia. The instrument was adapted from the previous study and modified to suit the current study. The study also added ten new items to complement the original instrument of public leadership initiated by Tummers and Knies (2016). The target population is school leaders in the national-type primary schools in Malaysia. A simple random sampling method was utilized to select a random sample of 381 participants from the sampling frame of eligible school leaders in the country. Content validity and exploratory factor analysis (EFA) was conducted on the instrument before the confirmatory factor analysis. The Confirmatory Factor Analysis (CFA) procedure confirmed the existence of four sub-constructs of the public leadership construct that are accountability leadership, rule-following/lawfulness leadership, political loyal leadership, and network governance leadership. The CFA process has deleted four items due to poor factor loading (less than 0.6). The fitness indexes for all fit categories have achieved the required level of a model fit. Meanwhile, the Average Variance Extracted (AVE) and Composite Reliability (CR), which reflect the convergent validity and construct reliability, respectively, have also achieved the required level of a model fit. Hence, the revised instrument for measuring the public leadership construct of school leaders in Malaysia is valid and reliable for use to determine the policy implementation performance of the public primary school leaders in Malaysia.

Language education sustainability necessitates more access to language abilities, which technology should facilitate and applies to the Malay language. The Covid-19 pandemic accelerates digital adoption in education. The restriction on spatial and time allows the flipped learning model -a hybrid approach to triumph within the limitation. This paper reports the systematic literature review on the flipped learning model components in education. We implement the Evidence-Informed Management Knowledge Review Protocol to guide our review. Six major themes emerged from the review -course and participants, online learning resources, online learning platform, face-to-face learning activities, assessment, and learning reflection platform. The findings substantially informed our next phase -the design of the flipped instructional module for Malay language writing.

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