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RISGraver basis for an undirected graph and its application to testing the beta model of random graphs
Construction, Validation, and Application of a Teacher Status Scale (TSS): A Case of Iranian Junior High School Teachers
validity was substantiated through Rasch model. As for the second goal, 650 junior high school students rated their 300 teachers. The data was then analyzed using Chi-square test. In addition, 135 students participated in short interviews and a total of 530...
Introducing Emotioncy as a Potential Source of Test Bias: A Mixed Rasch Modeling Study
individuals were asked to take a 40-item vocabulary test along with the emotioncy scale. Mixed Rasch model was employed to flag differential item functioning (DIF) items. Results illustrated that, the test takers with high emotioncy towards specific words...
The effects of the violation of local independence assumption on the person measures under the Rasch model
Local independence of items is an assumption in all IRT models. That is, the items in a test should not be related to each other. Sharing a common passage, which is prevalent in reading comprehension tests, cloze tests and ...