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T. R. Kratochwill; J. Hitchcock; R. H. Horner; J. R. Levin; S. L. Odom; D. M Rindskopf; W. R. Shadish – What Works Clearinghouse, 2010
In an effort to expand the pool of scientific evidence available for review, the What Works Clearinghouse (WWC) assembled a panel of national experts in single-case design (SCD) and analysis to draft SCD Standards. SCDs are adaptations of interrupted time-series designs and can provide a rigorous experimental evaluation of intervention effects.…
Descriptors: Research Methodology, Standards, Causal Models, Intervention
Subedi, Bidya Raj; Swan, Bonnie; Hynes, Michael C. – Online Submission, 2010
This paper investigates the effect of teacher quality, represented by teacher level characteristics, on mathematics gain scores employing multilevel (or three-level hierarchical linear model, HLM, based) unconditional and conditional value-added model (VAM). We found the significant effects of teacher's mathematics content certification, teacher…
Descriptors: Teacher Effectiveness, Teaching Experience, Measurement Techniques, Achievement Gains
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Guldemond, Henk; Bosker, Roel J. – School Effectiveness and School Improvement, 2009
School effects on students' achievement are relatively small. Another approach, in which students' growth trajectories are the focal point of interest, is able to demonstrate more sizeable school effects. This approach is applied in a study into school compositional effects. The rationale of this study is that in Dutch primary education such…
Descriptors: Foreign Countries, Effect Size, Educational Opportunities, Cohort Analysis
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Nowak, Christoph; Heinrichs, Nina – Clinical Child and Family Psychology Review, 2008
A meta-analysis encompassing all studies evaluating the impact of the Triple P-Positive Parenting Program on parent and child outcome measures was conducted in an effort to identify variables that moderate the program's effectiveness. Hierarchical linear models (HLM) with three levels of data were employed to analyze effect sizes. The results (N =…
Descriptors: Intervention, Parent Education, Child Rearing, Program Effectiveness