Rasch analysis for psychometric improvement of science attitude rating scales
| Autor: | Xitao Fan, Pey-Tee Oon |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Rasch model
Psychometrics Item analysis 05 social sciences Applied psychology 050401 social sciences methods 050301 education Polytomous Rasch model Education 0504 sociology Rating scale Trends in International Mathematics and Science Study Item response theory Achievement test Psychology 0503 education Social psychology |
| Zdroj: | International Journal of Science Education. 39:683-700 |
| ISSN: | 1464-5289 0950-0693 |
| DOI: | 10.1080/09500693.2017.1299951 |
| Popis: | Students’ attitude towards science (SAS) is often a subject of investigation in science education research. Survey of rating scale is commonly used in the study of SAS. The present study illustrates how Rasch analysis can be used to provide psychometric information of SAS rating scales. The analyses were conducted on a 20-item SAS scale used in an existing dataset of The Trends in International Mathematics and Science Study (TIMSS) (2011). Data of all the eight-grade participants from Hong Kong and Singapore (N = 9942) were retrieved for analyses. Additional insights from Rasch analysis that are not commonly available from conventional test and item analyses were discussed, such as invariance measurement of SAS, unidimensionality of SAS construct, optimum utilization of SAS rating categories, and item difficulty hierarchy in the SAS scale. Recommendations on how TIMSS items on the measurement of SAS can be better designed were discussed. The study also highlights the importance of using Rasch esti... |
| Databáze: | OpenAIRE |
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