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Van Moere, Alistair; Hanlon, Sean – Language Testing, 2020
In language assessment and in educational measurement more broadly, there is a tendency to interpret scores from single-administration tests as accurate indicators of a latent trait (e.g., reading ability). Even in contexts where learners receive multiple formative assessments throughout the year, estimates of student ability are determined based…
Descriptors: Bayesian Statistics, Measurement, Accuracy, English (Second Language)