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Rindskopf, David; Shadish, William; Hedges, Larry V. – Online Submission, 2012
This conference presentation demonstrates a multilevel model for analyzing single case designs. The model is implemented in the Bayesian program WinBUGS. The authors show how it is possible to estimate a d-statistic like the one in Hedges, Pustejovsky and Shadish (2012) in this program. Results are demonstrated on an example.
Descriptors: Effect Size, Computation, Hierarchical Linear Modeling, Research Design
Boyajian, Jonathan – Online Submission, 2011
This conference presentation reviews the authors' work on autocorrelations in single-case designs. The bias-corrected autocorrelation is computed, results are meta-analyzed with 5-level multilevel analysis in SAS Proc Mixed. Results suggest autocorrelations are normally distributed, and that taking into account nesting in outcomes and articles…
Descriptors: Correlation, Research Design, Meta Analysis, Statistical Distributions
Shannon, Lisa; Grant, Billie-Jo – Online Submission, 2015
Achieve3000 publishes a number of online literacy programs that differentiate lessons and activities based on student performance. Magnolia Consulting--an independent, third party evaluation firm--assessed Achieve3000 Solutions' impact on student learning during the 2014-15 school year. The researchers used a randomized control trial, where…
Descriptors: Reading Programs, Reading Achievement, Program Evaluation, Randomized Controlled Trials
Hauserman, Calvin P.; Ivankova, Nataliya V.; Stick, Sheldon L. – Online Submission, 2007
This mixed method study used survey research, open-ended questions, and interviews to identify transformational leadership qualities among principals of publicly funded schools in the Province of Alberta, Canada. Five-hundred-nine teachers (37.7%) from a random sample of schools in the province completed the Multifactor leadership Questionnaire…
Descriptors: Foreign Countries, Teacher Attitudes, Principals, Instructional Leadership