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St. Clair, Travis; Hallberg, Kelly; Cook, Thomas D. – Journal of Educational and Behavioral Statistics, 2016
We explore the conditions under which short, comparative interrupted time-series (CITS) designs represent valid alternatives to randomized experiments in educational evaluations. To do so, we conduct three within-study comparisons, each of which uses a unique data set to test the validity of the CITS design by comparing its causal estimates to…
Descriptors: Research Methodology, Randomized Controlled Trials, Comparative Analysis, Time
Harman, Joan – 1981
A study evaluated the effectiveness of pretesting infantry soldiers scheduled to take written Skill Qualification Tests (SQT) in order to determine their training needs prior to official testing. During the study, researchers developed and field-tested a pretest for the SQT that was based on the 11B1 Infantryman Soldier's Manual and the 1980 SQT…
Descriptors: Comparative Analysis, Diagnostic Tests, Educational Needs, Measurement Techniques