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Using Ant Colony Optimization to Identify Optimal Sample Allocations in Cluster-Randomized Trials
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Zuchao 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
Study Protocol for Testing the Efficacy of the Helping Educational Leaders Mobilize Evidence (HELM) Implementation Strategy in Elementary Schools: A Hybrid Type 3 Effectiveness-Implementation Randomized Controlled Trial
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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
Effectiveness and Cost-Effectiveness of High-Intensity versus Low-Intensity Speech Intervention in Children with a Cleft Palate: Protocol for a Randomized Controlled Trial
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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
Understanding Repetitive Behaviours: A Clinical and Cost-Effectiveness, Multi-Site Randomised Controlled Trial of a Group for Parents and Carers of Young Autistic Children
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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