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Classification Accuracy in Key Stage 2 National Curriculum Tests in England
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He, Qingping; Hayes, Malcolm; Wiliam, Dylan – Research Papers in Education, 2013
The accuracy of the results of the national tests in English, mathematics and science taken by 11-year olds in England has been a matter of much debate since their introduction in 1994, with estimates of the proportion of students incorrectly classified varying from 10 to 30%. Using live data from the 2009 and 2010 administration of the national…
Descriptors: Foreign Countries, National Curriculum, Accuracy, Classification
How Does the Knowledge of Subgroup Membership of Examinees Affect the Prediction of True Subscores? Research Report. ETS RR-11-43
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Haberman, Shelby J.; Sinharay, Sandip – Educational Testing Service, 2011
Subscores are reported for several operational assessments. Haberman (2008) suggested a method based on classical test theory to determine if the true subscore is predicted better by the corresponding subscore or the total score. Researchers are often interested in learning how different subgroups perform on subtests. Stricker (1993) and…
Descriptors: True Scores, Test Theory, Prediction, Group Membership
Use of e-rater[R] in Scoring of the TOEFL iBT[R] Writing Test. Research Report. ETS RR-11-25
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Haberman, Shelby J. – Educational Testing Service, 2011
Alternative approaches are discussed for use of e-rater[R] to score the TOEFL iBT[R] Writing test. These approaches involve alternate criteria. In the 1st approach, the predicted variable is the expected rater score of the examinee's 2 essays. In the 2nd approach, the predicted variable is the expected rater score of 2 essay responses by the…
Descriptors: Writing Tests, Scoring, Essays, Language Tests