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Direct linkMoeyaert, Mariola; Akhmedjanova, Diana; Ferron, John; Beretvas, S. Natasha; Van den Noortgate, Wim – Grantee Submission, 2020
The methodology of single-case experimental designs (SCED) has been expanding its efforts toward rigorous design tactics to address a variety of research questions related to intervention effectiveness. Effect size indicators appropriate to quantify the magnitude and the direction of interventions have been recommended and intensively studied for…
Descriptors: Effect Size, Research Methodology, Research Design, Hierarchical Linear Modeling
Beretvas, S. Natasha – School Psychology Quarterly, 2005
This paper details the challenges encountered by authors summarizing evidence from a primary study to describe a treatment's effectiveness using an effect size (ES) estimate. Dilemmas that are encountered, including how to calculate and interpret the pertinent standardized mean difference ES for results from studies of various research designs,…
Descriptors: Effect Size, Research Methodology, Computation, Data Interpretation
Hoffman, James V.; Roller, Cathy; Maloch, Beth; Sailors, Misty; Duffy, Gerald; Beretvas, S. Natasha – Elementary School Journal, 2005
The study reported in this article focused on the preparation of elementary preservice teachers to teach reading and on their first 3 years of teaching in schools. Graduates of 8 programs judged as "excellent" by an expert review panel participated in this study. The research was guided by 2 questions: (1) What effects do participation…
Descriptors: Teaching Methods, Research Design, Research Methodology, Preservice Teacher Education
