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Direct linkChen, Li-Ting; Andrade, Alejandro; Hanauer, Matthew James – AERA Online Paper Repository, 2017
Single-case design is a repeated-measures research approach for the study of the effect of an intervention, and its importance is increasingly being recognized in education and psychology. We propose a Bayesian approach for estimating intervention effects in SCD. A Bayesian inference does not rely on large sample theories and thus is particularly…
Descriptors: Bayesian Statistics, Research Design, Case Studies, Intervention
Page, Lindsay C. – Journal of Research on Educational Effectiveness, 2012
Experimental evaluations are increasingly common in the U.S. educational policy-research context. Often, in investigations of multifaceted interventions, researchers and policymakers alike are interested in not only "whether" a given intervention impacted an outcome but also "why". What "features" of the intervention…
Descriptors: Educational Experiments, Educational Research, Research Methodology, Income
Cook, Claire; Goodman, Noah D.; Schulz, Laura E. – Cognition, 2011
Probabilistic models of expected information gain require integrating prior knowledge about causal hypotheses with knowledge about possible actions that might generate data relevant to those hypotheses. Here we looked at whether preschoolers (mean: 54 months) recognize "action possibilities" (affordances) in the environment that allow them to…
Descriptors: Evidence, Play, Prior Learning, Hypothesis Testing
Hoffman, Bobby; Schraw, Gregory – Educational Psychologist, 2010
The purpose of this article is to clarify conceptions, definitions, and applications of learning and problem-solving efficiency. Conceptions of efficiency vary within the field of educational psychology, and there is little consensus as to how to define, measure, and interpret the efficiency construct. We compare three diverse models that differ…
Descriptors: Educational Psychology, Efficiency, Problem Solving, Models
Brody, Gene H.; Chen, Yi-Fu; Kogan, Steven M.; Murry, Velma McBride; Brown, Anita C. – Journal of Consulting and Clinical Psychology, 2010
Objective:This report extends earlier accounts by addressing the effects of the Strong African American Families (SAAF) program across 65 months. Two hypotheses were tested: (a) Rural African American youths randomly assigned to participate in SAAF would demonstrate lower rates of alcohol use than would control youths more than 5 years later, and…
Descriptors: Control Groups, African American Children, Pretests Posttests, Drinking
Download full textSchochet, Peter Z. – National Center for Education Evaluation and Regional Assistance, 2008
This report presents guidelines for addressing the multiple comparisons problem in impact evaluations in the education area. The problem occurs due to the large number of hypothesis tests that are typically conducted across outcomes and subgroups in these studies, which can lead to spurious statistically significant impact findings. The…
Descriptors: Guidelines, Testing, Hypothesis Testing, Statistical Significance
