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Miller, Andrew – Journal of Teaching in Physical Education, 2015
The purpose of this systematic review was to investigate the weight of scientific evidence regarding student outcomes (physical, cognitive and affective) of a Game Centered Approach (GCA) when the quality of a study was taken into account in the interpretation of collective findings. A systematic search of five electronic databases (Sports…
Descriptors: Teaching Methods, Literature Reviews, Educational Games, Children
Mutlu, Akmer; Krosschell, Kristin; Spira, Deborah Gaebler – Developmental Medicine & Child Neurology, 2009
OKAim: The aim of this systematic review was to examine the literature on the effects of partial body-weight support treadmill training (PBWSTT) in children with cerebral palsy (CP) on functional outcomes and attainment of ambulation. Method: We searched the relevant literature from 1950 to July 2007. We found eight studies on the use of PWSBTT on…
Descriptors: Cerebral Palsy, Statistical Significance, Classification, Psychomotor Skills
What Works Clearinghouse, 2011
With its critical assessments of scientific evidence on the effectiveness of education programs, policies, and practices (referred to as "interventions"), and a range of products summarizing this evidence, the What Works Clearinghouse (WWC) is an important part of the Institute of Education Sciences' strategy to use rigorous and relevant…
Descriptors: Standards, Access to Information, Information Management, Guides
Puma, Michael J.; Olsen, Robert B.; Bell, Stephen H.; Price, Cristofer – National Center for Education Evaluation and Regional Assistance, 2009
This NCEE Technical Methods report examines how to address the problem of missing data in the analysis of data in Randomized Controlled Trials (RCTs) of educational interventions, with a particular focus on the common educational situation in which groups of students such as entire classrooms or schools are randomized. Missing outcome data are a…
Descriptors: Educational Research, Research Design, Research Methodology, Control Groups
Almond, Douglas; Mazumder, Bhashkar; van Ewijk, Reyn – Centre for the Economics of Education (NJ1), 2012
We consider the effects of daytime fasting by pregnant women during the lunar month of Ramadan on their children's test scores at age seven. Using English register data, we find that scores are 0.05 to 0.08 standard deviations lower for Pakistani and Bangladeshi students exposed to Ramadan in early pregnancy. These estimates are downward biased to…
Descriptors: Foreign Countries, Pregnancy, Eating Habits, Islam
Harrison, Judith; Thompson, Bruce; Vannest, Kimberly J. – Review of Educational Research, 2009
This article reviews the literature on interventions targeting the academic performance of students with attention-deficit/hyperactivity disorder (ADHD) and does so within the context of the statistical significance testing controversy. Both the arguments for and against null hypothesis statistical significance tests are reviewed. Recent standards…
Descriptors: Educational Research, Academic Achievement, Statistical Significance, Effect Size
Schochet, Peter Z. – National Center for Education Evaluation and Regional Assistance, 2009
This paper examines the estimation of two-stage clustered RCT designs in education research using the Neyman causal inference framework that underlies experiments. The key distinction between the considered causal models is whether potential treatment and control group outcomes are considered to be fixed for the study population (the…
Descriptors: Control Groups, Causal Models, Statistical Significance, Computation

Ottenbacher, Kenneth J. – Exceptional Children, 1989
The study examining the validity of statistical conclusions of 49 early intervention studies found that 4 percent had adequate power to detect medium intervention effects and 18 percent to detect large intervention effects. Low statistical conclusion validity has practical consequences in program evaluation and cost-effectiveness determinations.…
Descriptors: Cost Effectiveness, Disabilities, Effect Size, Intervention