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Direct linkAnn A. O'Connell; Nivedita Bhaktha; Jing Zhang – Society for Research on Educational Effectiveness, 2021
Background: Counts are familiar outcomes in education research settings, including those involving tests of interventions. Clustered data commonly occur in education research studies, given that data are often collected from students within classrooms or schools. There is a wide array of distributions and models that can be used for clustered…
Descriptors: Hierarchical Linear Modeling, Educational Research, Statistical Distributions, Multivariate Analysis
Download full textRhoads, Christopher – Society for Research on Educational Effectiveness, 2016
Current practice for conducting power analyses in hierarchical trials using survey based ICC and effect size estimates may be misestimating power because ICCs are not being adjusted to account for treatment effect heterogeneity. Results presented in Table 1 show that the necessary adjustments can be quite large or quite small. Furthermore, power…
Descriptors: Statistical Analysis, Correlation, Effect Size, Surveys
Jitendra, Asha K.; Harwell, Michael R.; Karl, Stacy R.; Slater, Susan C.; Simonson, Gregory R.; Nelson, Gena – Society for Research on Educational Effectiveness, 2016
Ratio and proportional relationships are of primary importance during the upper elementary and middle school grades (Kilpatrick, Swafford, & Findell, 2001; National Council of Teachers of Mathematics, 1989, 2000; National Mathematics Advisory Panel [NMAP], 2008). These relationships, along with the interrelated topics of fractions, decimals,…
Descriptors: Replication (Evaluation), Schemata (Cognition), Problem Solving, Teaching Methods
Polanin, Joshua R.; Wilson, Sandra Jo – Society for Research on Educational Effectiveness, 2014
The purpose of this project is to demonstrate the practical methods developed to utilize a dataset consisting of both multivariate and multilevel effect size data. The context for this project is a large-scale meta-analytic review of the predictors of academic achievement. This project is guided by three primary research questions: (1) How do we…
Descriptors: Meta Analysis, Correlation, Case Studies, Parent Participation
Yuan, Kun; McCaffrey, Daniel F.; Savitsky, Terrance D. – Society for Research on Educational Effectiveness, 2013
Standardized teaching observation protocols have become increasingly popular in evaluating teaching in recent years. One of such protocols that has gained substantial interest from researchers and practitioners is the Classroom Assessment Scoring System-Secondary (CLASSS). According to the developer, CLASS-S has three domains of teacher-student…
Descriptors: Factor Structure, Bayesian Statistics, Multivariate Analysis, Teacher Student Relationship
Hinerman, Krystal M.; Hull, Darrell M.; Hayes, DeMarquis; Powell, Marvin G.; Ferguson, Sarah; Naslund-Hadley, Emma I. – Society for Research on Educational Effectiveness, 2014
The purpose of the Childhood Resiliency Effects from Schoolwide Treatment (CREST) Pilot was to implement a comprehensive school wide social and character development program aimed at decreasing violence among students and assisting students exposed to violence in Belize City. This one-year pilot program implemented portions of the Positive Action…
Descriptors: Foreign Countries, Resilience (Psychology), Violence, Randomized Controlled Trials
