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Graham, Suzanne E.; Kurlaender, Michal – Journal of Educational Research, 2011
Educational researchers frequently study the impact of treatments or interventions on educational outcomes. However, when observational or quasiexperimental data are used for such investigations, selection bias can adversely impact researchers' abilities to make causal inferences about treatment effects. One way to deal with selection bias is to…
Descriptors: Investigations, Educational Research, Research Methodology, Educational Objectives
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Mulcahy, Candace A.; Krezmien, Michael P.; Leone, Peter E.; Houchins, David E.; Baltodano, Heather – Reading & Writing Quarterly, 2008
Few research studies have investigated the effectiveness of instructional strategies for students in juvenile corrections. The dearth of research on effective instruction for this population may be due in part to difficulties encountered in carrying out methodologically rigorous studies in these settings. This article reports barriers and…
Descriptors: Educational Strategies, Investigations, Correctional Education, Youth Problems