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Satoe Okabayashi; Kyoko Kitazawa; Hisashi Noma; Yoshimitsu Takahashi; Taku Iwami; Takashi Kawamura; Takeo Nakayama – Health Education Research, 2024
Evidence-based medicine (EBM) is helpful for laypersons' decision-making. This study aimed to evaluate the effectiveness of e-learning materials on the essential components of EBM for laypersons. We conducted a web-based, open-label, randomized controlled trial with laypersons in Japan aged [greater than or equal to]20 years who used the internet.…
Descriptors: Electronic Learning, Instructional Materials, Medicine, Randomized Controlled Trials
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Brown, Seth; Song, Mengli; Cook, Thomas D.; Garet, Michael S. – American Educational Research Journal, 2023
This study examined bias reduction in the eight nonequivalent comparison group designs (NECGDs) that result from combining (a) choice of a local versus non-local comparison group, and analytic use or not of (b) a pretest measure of the study outcome and (c) a rich set of other covariates. Bias was estimated as the difference in causal estimate…
Descriptors: Research Design, Pretests Posttests, Computation, Bias
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Hannah D. Kassab; Julie Sarno Owens; Steven W. Evans; Elise L. Everly; Amori Yee Mikami – School Mental Health, 2023
The randomized trial of the Making Socially Accepting Inclusive Classrooms (MOSAIC) program included intensive coaching from research staff to support teachers' implementation of MOSAIC strategies and resulted in positive student outcomes (Mikami et al., J. Clin. Child Adolesc. Psychol. 51(6):1039-1052, 2022). However, these intensive procedures…
Descriptors: Experimental Groups, Control Groups, Research, Intervention
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Mark Fredrickson; Ben B. Hansen – Society for Research on Educational Effectiveness, 2021
Context: Assessments of baseline equivalency of intervention and control groups, "balance," play a critical role in evaluating educational interventions. The highest What Works Clearinghouse (WWC) of the Institute of Educational Studies (IES) standard for educational studies, "Meets WWC Design Standards Without Reservations,"…
Descriptors: Educational Research, Experimental Groups, Control Groups, Intervention