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Peer reviewed
Direct linkZuchao Shen; Walter Leite; Huibin Zhang; Jia Quan; Huan Kuang – Journal of Experimental Education, 2025
When designing cluster-randomized trials (CRTs), one important consideration is determining the proper sample sizes across levels and treatment conditions to cost-efficiently achieve adequate statistical power. This consideration is usually addressed in an optimal design framework by leveraging the cost structures of sampling and optimizing the…
Descriptors: Randomized Controlled Trials, Feasibility Studies, Research Design, Sample Size
Wei Li; Yanli Xie; Dung Pham; Nianbo Dong; Jessaca Spybrook; Benjamin Kelcey – Asia Pacific Education Review, 2024
Cluster randomized trials (CRTs) are commonly used to evaluate the causal effects of educational interventions, where the entire clusters (e.g., schools) are randomly assigned to treatment or control conditions. This study introduces statistical methods for designing and analyzing two-level (e.g., students nested within schools) and three-level…
Descriptors: Research Design, Multivariate Analysis, Randomized Controlled Trials, Hierarchical Linear Modeling
Jill Locke; Nathaniel J. Williams; Aksheya Sridhar; Mark G. Ehrhart; Alex Dopp; Marissa Thirion; Christine Espeland; Brandon Riddle; Kelcey Schmitz; Kurt Hatch; Lindsey Buehler; Aaron R. Lyon – Grantee Submission, 2025
Background: Schools need to implement universal student supports that prevent social, emotional, and behavioral difficulties; minimize associated risks; and promote social, emotional, and behavioral competencies. The purpose of this study is to examine the efficacy of the Helping Educational Leaders Mobilize Evidence (HELM) implementation strategy…
Descriptors: Positive Behavior Supports, Elementary Schools, Program Implementation, Program Effectiveness
Fien Allemeersch; Kristiane Van Lierde; Nick Verhaeghe; Kim Bettens; Tara Mouton; Greet Hens; Cassandra Alighieri – International Journal of Language & Communication Disorders, 2025
Background: In children with a cleft palate with or without a cleft lip (CP±L), some evidence exists for superior results of high-intensity speech intervention (HISI) compared with low-intensity speech intervention (LISI) on speech and health-related quality of life (HRQoL). However, the existing research often involves small sample sizes.…
Descriptors: Congenital Impairments, Speech Impairments, Speech Language Pathology, Allied Health Personnel
Li, Wei; Dong, Nianbo; Maynarad, Rebecca; Spybrook, Jessaca; Kelcey, Ben – Journal of Research on Educational Effectiveness, 2023
Cluster randomized trials (CRTs) are commonly used to evaluate educational interventions, particularly their effectiveness. Recently there has been greater emphasis on using these trials to explore cost-effectiveness. However, methods for establishing the power of cluster randomized cost-effectiveness trials (CRCETs) are limited. This study…
Descriptors: Research Design, Statistical Analysis, Randomized Controlled Trials, Cost Effectiveness
Azzolini, Davide; Marzadro, Sonia; Rettore, Enrico; Engelhardt, Katja; Hertz, Benjamin; Wastiau, Patricia – Journal of Research on Educational Effectiveness, 2023
Online courses have become an increasingly attractive format for delivering teacher training. However, the low retention rates are a critical and still unsolved issue. This paper presents the results of a randomized controlled trial aimed at testing the impact of a personalized support model on teachers' retention in online training courses. The…
Descriptors: Foreign Countries, Preservice Teacher Education, Secondary School Teachers, Student Teachers
Victoria Grahame; Ashleigh Kernohan; Ehsan Kharati; Ayesha Mathias; Chrissie Butcher; Linda Dixon; Sue Fletcher-Watson; Deborah Garland; Magdalena Glod; Jane Goodwin; Saoirse Heron; Emma Honey; Ann Le Couteur; Leila Mackie; Jessica Maxwell; Lewis Montgomery; Emmanuel Ogundimu; Helen Probert; Deborah Riby; Priyanka Rob; Leanne Rogan; Laura Tavernor; Luke Vale; Elspeth Imogen Webb; Christopher Weetman; Jacqui Rodgers – Autism: The International Journal of Research and Practice, 2025
Restricted and repetitive behaviours vary greatly between autistic people. Some are a source of pleasure or create opportunities for learning; others may be detrimental in day-to-day life or cause harm. We have developed, in close collaboration with parents/carers, the Understanding Repetitive Behaviours programme, designed for families of young…
Descriptors: Repetition, Behavior Patterns, Cost Effectiveness, Randomized Controlled Trials
Nykänen, Mikko; Törnroos, Kaisa; Vuori, Jukka – European Journal of Psychology of Education, 2023
Previous randomized-controlled trials have shown that a peer learning group intervention for career preparation can have positive effects on adolescent career management and the transition to post-comprehensive education in secondary schools. However, this earlier evidence of efficacy has been found by intervention studies that have implemented…
Descriptors: Replication (Evaluation), Peer Teaching, Cooperative Learning, Evidence Based Practice
Download full textJesse Cunha; Trey Miller; Megan Austin; Lindsay Daugherty; Paco Martorell – Annenberg Institute for School Reform at Brown University, 2023
We estimate the societal costs associated with corequisite and traditional pre-requisite English developmental education and compare them to societal benefits. Our context is the randomized controlled trial conducted by Miller et al. (2022) that estimated the effects of three different approaches to English corequisites implemented in 5 Texas…
Descriptors: Cost Effectiveness, English Instruction, Language Arts, Developmental Studies Programs
Li, Wei; Dong, Nianbo; Maynard, Rebecca A. – Journal of Educational and Behavioral Statistics, 2020
Cost-effectiveness analysis is a widely used educational evaluation tool. The randomized controlled trials that aim to evaluate the cost-effectiveness of the treatment are commonly referred to as randomized cost-effectiveness trials (RCETs). This study provides methods of power analysis for two-level multisite RCETs. Power computations take…
Descriptors: Statistical Analysis, Cost Effectiveness, Randomized Controlled Trials, Educational Research
Duflo, Annie; Kiessel, Jessica; Lucas, Adrienne – National Bureau of Economic Research, 2020
Randomized controlled trials in lower-income countries have demonstrated ways to increase learning, in specific settings. This study uses a large-scale, nationwide RCT in Ghana to show the external validity of four school-based interventions inspired by other RCTs. Even though the government implemented the programs within existing systems,…
Descriptors: Foreign Countries, Intervention, Validity, Academic Achievement
Chan, Randolph C. H.; Mak, Winnie W. S.; Pang, Ingrid H. Y.; Wong, Samuel Y. S.; Tang, Wai Kwong; Lau, Joseph T. F.; Woo, Jean; Lee, Diana T. F.; Cheung, Fanny M. – Field Methods, 2018
The present study examined whether, when, and how motivational messaging can boost the response rate of postal surveys for physicians based on Higgin's regulatory focus theory, accounting for its cost-effectiveness. A three-arm, blinded, randomized controlled design was used. A total of 3,270 doctors were randomly selected from the registration…
Descriptors: Cost Effectiveness, Physician Patient Relationship, Randomized Controlled Trials, Computer Mediated Communication
de Hoop, Thomas; Brudevold-Newman, Andrew; Davis, Dustin – American Institutes for Research, 2018
Low- and middle-income countries have made significant progress getting children into school, but student learning and achievement are often dreadfully low (Berry, Barnett, & Hinton, 2015; Pritchett, 2013). Approximately 250 million children across the world are not acquiring basic reading and math skills, even though about half have spent at…
Descriptors: Randomized Controlled Trials, Networks, Electronic Learning, Educational Technology
Demack, Sean; Maxwell, Bronwen; Coldwell, Mike; Stevens, Anna; Wolstenholme, Claire; Reaney-Wood, Sarah; Stiell, Bernadette; Lortie-Forgues, Hugues – Education Endowment Foundation, 2021
This report presents findings from exploratory, descriptive meta-analyses of effect sizes reported by the first 82 EEF evaluations that used a randomised controlled trial (RCT) or clustered RCT impact evaluation design published up to January 2019. The review used a theoretical framework derived from literature with five overarching themes to…
Descriptors: Foreign Countries, Disadvantaged Youth, Meta Analysis, Effect Size
Klees, Steven J. – Compare: A Journal of Comparative and International Education, 2018
To experiment with the possible privatisation of its primary education system, Liberia initiated the Partnership Schools of Liberia (PSL), which turned over the management of 93 public schools to eight private contractors. A randomised controlled trial (RCT) study was initiated comparing the PSL schools with matched public schools and the results…
Descriptors: Foreign Countries, Privatization, Public Schools, Randomized Controlled Trials
