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Hwang, Yooyeun; Levin, Joel R. – Journal of Education for Students Placed at Risk, 2023
Recently developed randomized-test procedures for two independent-samples single-case designs are presented and applied to a memory-strategy intervention study with eight underperforming students from low SES backgrounds. Research design aspects, data-analysis features, and various output measures are provided to demonstrate the potential utility…
Descriptors: Research Design, Case Studies, Memory, Intervention
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Levin, Joel R.; Ferron, John M.; Gafurov, Boris S. – Journal of Education for Students Placed at Risk, 2022
The present simulation study examined the statistical properties (namely, Type I error and statistical power) of various novel randomized single-case multiple-baseline designs and associated randomized-test analyses for comparing the A- to B-phase immediate abrupt outcome changes in two independent intervention conditions. It was found that with…
Descriptors: Statistical Analysis, Error of Measurement, Intervention, Program Effectiveness