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Oon, Pey-Tee; Fan, Xitao – International Journal of Science Education, 2017
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…
Descriptors: Item Response Theory, Psychometrics, Attitude Measures, Rating Scales