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Direct linkBen Kelcey; Fangxing Bai; Amota Ataneka; Yanli Xie; Kyle Cox – Society for Research on Educational Effectiveness, 2024
We develop a structural after measurement (SAM) method for structural equation models (SEMs) that accommodates missing data. The results show that the proposed SAM missing data estimator outperforms conventional full information (FI) estimators in terms of convergence, bias, and root-mean-square-error in small-to-moderate samples or large samples…
Descriptors: Structural Equation Models, Research Problems, Error of Measurement, Maximum Likelihood Statistics
Tomcho, Thomas J.; Foels, Rob – Teaching of Psychology, 2009
Researchers rarely mention statistical power in "Teaching of Psychology" teaching activity studies. Insufficiently powered tests promote uncertainty in the decision to accept or reject the tested null hypothesis and influence the interpretation of results. We analyzed the a priori power of statistical tests from 197 teaching activity effectiveness…
Descriptors: Sample Size, Statistical Analysis, Teaching Methods, Tests
