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Tiwonge K. Mtande; Carl Lombard; Gonasagrie Nair; Stuart Rennie – Research Ethics, 2024
Although the use of the cluster randomized trial (CRT) design to evaluate vaccines, public health interventions or health systems is increasing, the ethical issues posed by the design are not adequately addressed, especially in low- and middle-income country settings (LMICs). To help reveal ethical challenges, qualitative interviews were conducted…
Descriptors: Stakeholders, Ethics, Randomized Controlled Trials, Medical Research
Lucy Beasant; Alba Realpe; Sarah Douglas; Lorcan Kenny; Dheeraj Rai; Nicola Mills – Autism: The International Journal of Research and Practice, 2024
The purpose of this study is to explore the views of autistic adults on randomised controlled trials, specifically on processes such as randomisation and blinding, to understand the barriers and facilitators for recruiting autistic people to randomised controlled trials involving medications. We conducted one-to-one interviews with 49 autistic…
Descriptors: Autism Spectrum Disorders, Adults, Attitudes, Randomized Controlled Trials
Steven Glazerman; Larissa Campuzano; Nancy Murray – Evaluation Review, 2025
Randomized experiments involving education interventions are typically implemented as cluster randomized trials, with schools serving as clusters. To design such a study, it is critical to understand the degree to which learning outcomes vary between versus within clusters (schools), specifically the intraclass correlation coefficient. It is also…
Descriptors: Educational Experiments, Foreign Countries, Educational Assessment, Research Design
Sean Demack – Education Endowment Foundation, 2019
Cluster Randomized Trial (CRT) designs are inherently multilevel and reflect the hierarchical structure of schools and the wider education system. To capture this multilevel nature, CRTs are commonly analysed using multilevel (or hierarchical) linear models. It is fairly common for CRT designs and analyses to include school and individual/pupil…
Descriptors: Educational Research, Randomized Controlled Trials, Research Design, Hierarchical Linear Modeling
Stallasch, Sophie E.; Lüdtke, Oliver; Artelt, Cordula; Brunner, Martin – Journal of Research on Educational Effectiveness, 2021
To plan cluster-randomized trials with sufficient statistical power to detect intervention effects on student achievement, researchers need multilevel design parameters, including measures of between-classroom and between-school differences and the amounts of variance explained by covariates at the student, classroom, and school level. Previous…
Descriptors: Foreign Countries, Randomized Controlled Trials, Intervention, Educational Research
Churches, Richard; McAleavy, Tony – Education Development Trust, 2016
This publication contains 12 (A3 open-out) poster-style reports of teacher experimental research. The style of presentation parallels the type of preliminary reporting common at academic conferences and postgraduate events. At the same time, it aims to act as a form of short primer to introduce teachers to the basic options that there are when…
Descriptors: Teacher Researchers, Randomized Controlled Trials, Educational Research, Research Design
Bartlam, Bernadette; Waterfield, Jacqueline; Bishop, Annette; Holden, Melanie A.; Barlas, Panos; Ismail, Khaled M.; Kettle, Christine; Foster, Nadine E. – Journal of Mixed Methods Research, 2018
This article outlines the rationale for adopting a mixed methods approach within randomized controlled trials (RCTs) and explores challenges associated in doing so. Taking the example of the EASE Back feasibility and pilot study (Evaluating Acupuncture and Standard care for pregnant womEn with "BACK" pain: ISRCTN49955124), we detail why…
Descriptors: Qualitative Research, Mixed Methods Research, Randomized Controlled Trials, Research Design
Brunner, Martin; Keller, Ulrich; Wenger, Marina; Fischbach, Antoine; Lüdtke, Oliver – Journal of Research on Educational Effectiveness, 2018
To plan group-randomized trials where treatment conditions are assigned to schools, researchers need design parameters that provide information about between-school differences in outcomes as well as the amount of variance that can be explained by covariates at the student (L1) and school (L2) levels. Most previous research has offered these…
Descriptors: Academic Achievement, Student Motivation, Psychological Patterns, Learning Strategies
Murphy, David; Oliver, Mary; Pourhabib, Sanam; Adkins, Michael; Hodgen, Jeremy – Education Endowment Foundation, 2017
This report examines the range of factors that might influence the decision by social care professionals on the use of boarding schools as an intervention option for Children in Need (CiN) or children on a Child Protection Plan (CPP). Attempts to conduct a randomised controlled trial (RCT) failed to recruit participants. Initially, failure to…
Descriptors: Boarding Schools, Caseworkers, Social Work, Intervention
Kourea, Lefki; Lo, Ya-yu – International Journal of Research & Method in Education, 2016
Improving academic, behavioural, and social outcomes of students through empirical research has been a firm commitment among researchers, policy-makers, and other professionals in education across Europe and the United States (U.S.). To assist in building scientific evidences, executive bodies such as the European Commission and the Institute for…
Descriptors: Evidence Based Practice, Validity, Randomized Controlled Trials, Research Methodology
Barrera-Osorio, Felipe; Filmer, Deon; McIntyre, Joe – Society for Research on Educational Effectiveness, 2014
Randomized controlled trials (RCTs) and regression discontinuity (RD) studies both provide estimates of causal effects. A major difference between the two is that RD only estimates local average treatment effects (LATE) near the cutoff point of the forcing variable. This has been cited as a drawback to RD designs (Cook & Wong, 2008).…
Descriptors: Randomized Controlled Trials, Regression (Statistics), Research Problems, Comparative Analysis