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Direct linkErtmer, Peggy A.; Stepich, Donald A.; Flanagan, Sara; Kocaman-Karoglu, Aslihan; Reiner, Christian; Reyes, Lisette; Santone, Adam L.; Ushigusa, Shigetake – Performance Improvement Quarterly, 2009
This exploratory study examined differences in the problem representations of a case-based situation by expert and novice instructional designers. The experts and half of the novices (control group) received identical directions for case analysis, while the other novices (treatment group) received additional guidelines recommending analysis…
Descriptors: Control Groups, Instructional Design, Problem Solving, Case Studies
Download full textNarayanan, Pankaja; Swaminathan, H. – 1993
The purpose of this study was to compare two non-parametric procedures, the Mantel-Haenszel (MH) procedure and the simultaneous item bias (SIB) procedure, with respect to their Type I error rates and power, and to investigate the conditions under which asymptotic distributional properties of the SIB and MH were obtained. Data were simulated to…
Descriptors: Ability, Comparative Analysis, Computer Simulation, Control Groups
