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Download full textFu, Jianbin; Feng, Yuling – ETS Research Report Series, 2018
In this study, we propose aggregating test scores with unidimensional within-test structure and multidimensional across-test structure based on a 2-level, 1-factor model. In particular, we compare 6 score aggregation methods: average of standardized test raw scores (M1), regression factor score estimate of the 1-factor model based on the…
Descriptors: Comparative Analysis, Scores, Correlation, Standardized Tests
