the rasch model
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2022 ◽  
Vol 8 (1) ◽  
pp. 216-221
Author(s):  
Dwi Wahyudiati

This study aims to determine the effect of applying problem-based learning models on critical thinking skills and scientific attitudes of pre-service chemistry teachers in Basic Chemistry 1. This quasi-experimental research uses pre-test and post-test through an unequal control group design. This research has been carried out for 3 months from September-November in 2021 on pre-service chemistry teachers. The data were analyzed using Hotelling's T2 test and the Rasch model. Empirical evidence shows that based on Hotelling's T2 test results obtained a significance value of 0.001 < (0.05) with a partial eta squared value of 0.28 which means Ha is accepted. So, it can be concluded that there is a contribution of problem-based learning models on critical thinking skills and scientific attitudes of students with the contribution of 28%. Another finding also shows that based on the results of the Rasch model test, it shows that in the experimental class the indicators of critical thinking skills and scientific attitudes are mostly possessed the ability to synthesize attitudes towards scientific investigations. The indicators of critical thinking skills and scientific attitudes are least possessed the ability to analyze and chemistry learning experiences. The conclusions of this study include there is a significant effect of the application of the PBL model on students' critical thinking skills and scientific attitudes with a model contribution of 28%, as well as critical thinking skills and scientific attitudes that most students have in the experimental class are analytical skills and attitudes towards scientific investigations.


2022 ◽  
Author(s):  
Lusine Vaganian ◽  
Maren Boecker ◽  
Sonja Bussmann ◽  
Michael Kusch ◽  
Hildegard Labouvie ◽  
...  

Abstract Background: The investigation of patient-reported outcomes and psycho-oncological interventions mainly focuses on psychological distress or psychopathology. However, the recognition of the equal importance of positive mental health (PMH) has increased lately. The PMH-scale is a brief questionnaire allowing to assess well-being in individuals in the general population and in patients. Previous studies evaluated the psychometric properties of the PMH-scale using classical test theory (CTT). This study is the first to investigate the PMH-scale in patients with cancer using item analysis according to the Rasch model. Methods: In total, N = 357 cancer patients participated in the study. A Rasch analysis of the PMH-scale was conducted including testing of unidimensionality, local independence, homogeneity and differential item functioning (DIF) with regard to age, gender, type of cancer, the presence of metastases, psycho-oncological support, and duration of disease. Additionally, the ordering of the item thresholds as well as the targeting of the scale were investigated.Results: After excluding one misfitting item and accounting for local dependence by forming superitems, a satisfactory overall fit to the Rasch model was established (χ2 = 30.34, p = 0.21). The new PMH-8 scale proved to be unidimensional, and homogeneity of the scale could be inferred. All items showed ordered thresholds, there was no further item misfit. DIF was found for age, but as the impact of DIF was not substantial, no adjustment related to the age-DIF had to be made. The Person Separation Index (PSI = 0.89) was excellent, indicating excellent discriminatory power between different levels of positive mental health. Overall, the targeting of the PMH-8 was good for the majority of the present sample. However, at both ends of the scale item thresholds are missing as indicated by a slight floor effect (1.4%) and a considerable ceiling effect (9.8%). Conclusion: Overall, the results of the analysis according to the Rasch model support the use of the revised PMH-scale in a psycho-oncological context.


Psychometrika ◽  
2022 ◽  
Author(s):  
Anders Skrondal ◽  
Sophia Rabe-Hesketh

AbstractIn psychometrics, the canonical use of conditional likelihoods is for the Rasch model in measurement. Whilst not disputing the utility of conditional likelihoods in measurement, we examine a broader class of problems in psychometrics that can be addressed via conditional likelihoods. Specifically, we consider cluster-level endogeneity where the standard assumption that observed explanatory variables are independent from latent variables is violated. Here, “cluster” refers to the entity characterized by latent variables or random effects, such as individuals in measurement models or schools in multilevel models and “unit” refers to the elementary entity such as an item in measurement. Cluster-level endogeneity problems can arise in a number of settings, including unobserved confounding of causal effects, measurement error, retrospective sampling, informative cluster sizes, missing data, and heteroskedasticity. Severely inconsistent estimation can result if these challenges are ignored.


2021 ◽  
Vol 16 (6) ◽  
pp. 3033-3047
Author(s):  
Muhammad Erwinto Imran ◽  
Wahyu Sopandi ◽  
Bachruddin Mustafa ◽  
Cepi Riyana

The purpose of this research is to improve the competence of teachers in teaching multi-literacy through a training programme based on the Read–Answer–Discuss–Explain–Create (RADEC) learning model. This descriptive qualitative study was conducted in a private primary school in Bandung, West Java, Indonesia. The participants included were a teacher and 29 students (17 male and 12 female students, with an average age of 11 years). Documentations, observations and interviews were used as data collection. The data were analysed quantitatively and through the Rasch model. The results show that mentoring during the implementation of the RADEC model can increase teachers’ knowledge of multi-literacy learning and teachers’ skills in planning and implementing the RADEC model. It can be concluded that the RADEC learning model contributes to a positive change in student learning, promotes 21st-century skills and includes multi-literacy skills. Thus, trainers can use the RADEC learning model to enhance teachers’ ability in teaching multi-literacy.           Keywords: Multi-literacy, RADEC model, teachers’ competence


2021 ◽  
Vol 25 (2) ◽  
Author(s):  
Ayu Faradillah ◽  
Sabila Adlina

This study aims to describe the process of validity of critical thinking skills on prospective mathematics teachers. This research used a quantitative approach with a survey method. Data were collected from 245 prospective mathematics teachers from 19 Mathematics education study programs at 19 higher education institutions in Indonesia. The data were collected using a questionnaire given via Google Form and analyzed by the Rasch Model analysis using Winstep software and Confirmatory Factor Analysis (CFA) using JASP. The results show that the instrument of critical thinking skills with indicators such as open-mindedness, inquisitiveness, systematicity, truth-seeking, analyticity, and self-confidence is valid and reliable, although it has to consider eliminating items and person misfit.


2021 ◽  
Vol 13 (3) ◽  
pp. 2501-2510
Author(s):  
Mellyta Uliyandari Uliyandari ◽  
Nurlia Latipah ◽  
Dewi Handayani

This study aims to analyze interest in learning and student responses in online learning using e-learning media in Universitas Bengkulu. The method used in this research is descriptive qualitative. Data collection was carried out using a questionnaire distributed using google form. Questionnaire analysis was carried out using a mini step application with the Rasch model. The population in this study was 193 science education students with a total sample of 64 people. The results showed that the interest in learning science education students in general chemistry 2 had a conversion value of 78.56, which was in the high category. Meanwhile, the student person towards online learning using e-learning media also showed good results, with a conversion value of 60.42, which was in the good category.


2021 ◽  
Vol 38 (4) ◽  
pp. 1051-1056
Author(s):  
Bambang HERMANTO ◽  
◽  
Asep MIFTAHUDDIN ◽  

In this paper, the research discussed analyzes the tourism experience in Indonesia, this study aims to explore the factors influencing the experience of city branding. The empirical application is based on a study of 373 visitors traveling in Indonesia, analyzed using the Rasch model. The present study aimed at a credible and accurate measurement scale that will help to clarify the definition and enhance the successful management of tourism experience. We have developed a 16-point size of tourism experience that we assume extends to many of the tourist destinations. The scale consists of six fields: hedonism, novelty, refreshment, local culture, significance, and dedication. Data are of assistance to the tourism experience's dimensional framework as well as its accuracy and validity within.


2021 ◽  
Vol 6 (2) ◽  
pp. 297-309
Author(s):  
Fauzan Sulman ◽  
Sutopo Sutopo ◽  
Sentot Kusairi

This research aims to see the ability of the FMCE-PHQ-9 test instrument amid the Covid-19 pandemic to measure conceptual understanding, cheating, and depression in students. The research was conducted on 64 physics education students at Sulthan Thaha Saifuddin State Islamic University Jambi. The instrument consists of 47 force and motion material items to fit the Winsteps 3.65.0 program. The analysis results using the Rasch Model showed that the MNSQ Outfit was 1.00 in the person column and 0.1 in the item column. Judging from the ZSTD value of 0.57 for the person and 0.1 for the item, the Points Measure value correlated with 0.4 to 0.85 while the item reliability value was 0.73 and the Cronbach's Alpha value was 0.56. therefore, the test instrument using the Rasch proclamation model found 31 fit items. The analysis results show that the concept ability was poor since, on average, the students could only answer questions with a low index of difficulty category. The research results on the level of cheating obtained data that 100 percent of students were not indicated to have the same pattern. Lastly, for the level of depression, only 16 percent of students did not experience depression, while 84 percent of students experienced it.


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