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Ji, Xuejun Ryan; Wu, Amery D. – Educational Measurement: Issues and Practice, 2023
The Cross-Classified Mixed Effects Model (CCMEM) has been demonstrated to be a flexible framework for evaluating reliability by measurement specialists. Reliability can be estimated based on the variance components of the test scores. Built upon their accomplishment, this study extends the CCMEM to be used for evaluating validity evidence.…
Descriptors: Measurement, Validity, Reliability, Models
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Norman, Rebecca L.; Buckendahl, Chad W. – Educational Measurement: Issues and Practice, 2008
Many educational testing programs report examinee performance at more than two levels of proficiency. Whether these assessments have the capacity to support these multiple inferences, though, is a topic that has not been widely discussed. This study proposes a method for evaluating the minimum number of measurement opportunities for reporting…
Descriptors: Testing Programs, Student Evaluation, Educational Testing, Mathematics Achievement