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Direct linkPeterson, Christina Hamme; Gischlar, Karen L.; Peterson, N. Andrew – Journal for Specialists in Group Work, 2017
Measures that accurately capture the phenomenon are critical to research and practice in group work. The vast majority of group-related measures were developed using the reflective measurement model rooted in classical test theory (CTT). Depending on the construct definition and the measure's purpose, the reflective model may not always be the…
Descriptors: Item Response Theory, Group Activities, Test Theory, Test Items
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
