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Echternacht, Gary – 1980
The Normal Curve Equivalent (NCE) gain statistic is examined, and considerations for its interpretation are highlighted. The NCE gain is made up of an observed and an expected part. The observed score is the posttest result. The expected score can never be observed nor verified for any of the Title I Evaluation and Reporting System (TIERS) models;…
Descriptors: Educational Assessment, Elementary Secondary Education, Evaluation Methods, Program Evaluation
