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Modeling Change in Large-Scale Longitudinal Studies of Educational Growth: Four Decades of Contributions to the Assessment of Educational Growth. ETC R&D Scientific and Policy Contributions Series. ETS SPC-12-01. Research Report No. RR-12-04
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Rock, Donald A. – Educational Testing Service, 2012
This paper provides a history of ETS's role in developing assessment instruments and psychometric procedures for measuring change in large-scale national assessments funded by the Longitudinal Studies branch of the National Center for Education Statistics. It documents the innovations developed during more than 30 years of working with…
Descriptors: History, Test Construction, Psychometrics, Measurement