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Peer reviewed
Direct linkPedder, Hugo; Boucher, Martin; Dias, Sofia; Bennetts, Margherita; Welton, Nicky J. – Research Synthesis Methods, 2020
Time-course model-based network meta-analysis (MBNMA) has been proposed as a framework to combine treatment comparisons from a network of randomized controlled trials reporting outcomes at multiple time-points. This can explain heterogeneity/inconsistency that arises by pooling studies with different follow-up times and allow inclusion of studies…
Descriptors: Simulation, Randomized Controlled Trials, Meta Analysis, Comparative Analysis
Saluja, Ronak; Cheng, Sierra; delos Santos, Keemo Althea; Chan, Kelvin K. W. – Research Synthesis Methods, 2019
Objective: Various statistical methods have been developed to estimate hazard ratios (HRs) from published Kaplan-Meier (KM) curves for the purpose of performing meta-analyses. The objective of this study was to determine the reliability, accuracy, and precision of four commonly used methods by Guyot, Williamson, Parmar, and Hoyle and Henley.…
Descriptors: Meta Analysis, Reliability, Accuracy, Randomized Controlled Trials
Wilson, Sandra Jo; Polanin, Joshua R.; Lipsey, Mark W. – Research Synthesis Methods, 2016
A modification of the first stage of the standard procedure for two-stage meta-analytic structural equation modeling for use with large complex datasets is presented. This modification addresses two common problems that arise in such meta-analyses: (a) primary studies that provide multiple measures of the same construct and (b) the correlation…
Descriptors: Meta Analysis, Structural Equation Models, Correlation, Research Methodology
St. Clair, Travis; Hallberg, Kelly; Cook, Thomas D. – Journal of Educational and Behavioral Statistics, 2016
We explore the conditions under which short, comparative interrupted time-series (CITS) designs represent valid alternatives to randomized experiments in educational evaluations. To do so, we conduct three within-study comparisons, each of which uses a unique data set to test the validity of the CITS design by comparing its causal estimates to…
Descriptors: Research Methodology, Randomized Controlled Trials, Comparative Analysis, Time
Huang, Francis L. – Educational and Psychological Measurement, 2018
Cluster randomized trials involving participants nested within intact treatment and control groups are commonly performed in various educational, psychological, and biomedical studies. However, recruiting and retaining intact groups present various practical, financial, and logistical challenges to evaluators and often, cluster randomized trials…
Descriptors: Multivariate Analysis, Sampling, Statistical Inference, Data Analysis
Download full textTufekcioglu, Ertan; Erzeybek, Mustafa Sait; Kaya, Fatih; Ozan, Goksel – Journal of Education and Training Studies, 2018
Background: Obesity has been identified as a global epidemic that is associated with numerous comorbidities such as type 2 diabetes, hypertension, cancer, cardiovascular disease. We have investigated the effects of Watsu® therapy and Immersion on HRV parameters of obese male subjects. Methods and Results: Volunteer 34 obese subjects with BMI above…
Descriptors: Obesity, Aquatic Sports, Computer Software, Control Groups
Harrison, Sean; Jones, Hayley E.; Martin, Richard M.; Lewis, Sarah J.; Higgins, Julian P. T. – Research Synthesis Methods, 2017
Meta-analyses combine the results of multiple studies of a common question. Approaches based on effect size estimates from each study are generally regarded as the most informative. However, these methods can only be used if comparable effect sizes can be computed from each study, and this may not be the case due to variation in how the studies…
Descriptors: Meta Analysis, Sample Size, Effect Size, Comparative Analysis
Impact of Tobacco Quitlines on Smoking Cessation in Persons with Mental Illness: A Systematic Review
Schwindt, Rhonda; Hudmon, Karen Suchanek; Knisely, Mitchell; Davis, Lorie; Pike, Caitlin – Journal of Drug Education, 2017
Persons with mental illness smoke at rates two to four times higher than do persons without mental illness and comprise 30.9% of the U.S. tobacco market. Given the prevalence of mental illness and the known detrimental effects of tobacco, concerted efforts are needed to promote the use of evidence-based treatment options. We conducted a systematic…
Descriptors: Smoking, Mental Disorders, Health Behavior, Incidence
Byun, Tara McAllister – Journal of Speech, Language, and Hearing Research, 2017
Purpose: This study documented the efficacy of visual-acoustic biofeedback intervention for residual rhotic errors, relative to a comparison condition involving traditional articulatory treatment. All participants received both treatments in a single-subject experimental design featuring alternating treatments with blocked randomization of…
Descriptors: Biofeedback, Intervention, Randomized Controlled Trials, Comparative Analysis
Daniel, Sarah R.; Jordan, Michelle E. – Active Learning in Higher Education, 2017
Working in collaborative groups has been shown to have beneficial outcomes; however, these benefits are linked to the quality of group member interactions. "Heedful interrelating," which entails interacting with sensitivity to the task at hand while paying attention to how one's actions affect overall team functioning, is theorized to be…
Descriptors: Cooperative Learning, Teamwork, Mixed Methods Research, Metacognition
Strasser, Katherine; Darricades, Michelle; Mendive, Susana; Barra, Gabriela – Early Education and Development, 2018
Research Findings: This study examines the association between preschool classroom activity and the quality of the language spoken by teachers and children. Eighteen classrooms serving low-income children between the ages of 3 and 4 in Santiago de Chile were audio-recorded during one morning shift. Recordings were transcribed and segmented into…
Descriptors: Foreign Countries, Correlation, Preschool Education, Language Usage
Honoré, Nastasya; Noël, Marie-Pascale – Journal of Education and Training Studies, 2017
Working memory capacities are associated with mathematical development. Many studies have tried to improve working memory abilities through training. Furthermore, the central executive has been shown to be the component of working memory, which is the most strongly related to numerical and arithmetical skills. Therefore, we developed a training…
Descriptors: Short Term Memory, Kindergarten, Randomized Controlled Trials, Training
George, Christine Marie; Biswas, Shwapon; Jung, Danielle; Perin, Jamie; Parvin, Tahmina; Monira, Shirajum; Saif-Ur-Rahman, K. M.; Rashid, Mahamud-ur; Bhuyian, Sazzadul Islam; Thomas, Elizabeth D.; Dreibelbis, Robert; Begum, Farzana; Zohura, Fatema; Zhang, Xiaotong; Sack, David A.; Alam, Munirul; Sack, R. Bradley; Leontsini, Elli; Winch, Peter J. – Health Education & Behavior, 2017
Inadequate hand hygiene is estimated to result in nearly 300,000 deaths annually, with the majority of deaths being among children younger than 5 years. In an effort to promote handwashing with soap and water treatment behaviors among highly susceptible household members of cholera patients, we recently developed the Cholera-Hospital-Based…
Descriptors: Hygiene, Health Promotion, Health Behavior, Intervention
van de Sande, Eva; Segers, Eliane; Verhoeven, Ludo – Early Education and Development, 2018
The current study used a dyadic and coconstructive approach to examine how to embed exercises that support executive functioning into early literacy instruction to empower its effects. Using a randomized controlled trial design with 100 children, we examined the effects of dyadic activities in which children scaffolded each other's learning and…
Descriptors: Kindergarten, Executive Function, Literacy Education, Emergent Literacy
Whittaker, Jessica E. V.; Williford, Amanda P.; Carter, Lauren M.; Vitiello, Virginia E.; Hatfield, Bridget E. – Early Education and Development, 2018
Research Findings: This study explored the quality of teacher-child interactions within the context of a newly developed standardized task, Teacher-Child Structured Play Task (TC-SPT). A sample of 146 teachers and 345 children participated. Children who displayed the highest disruptive behaviors within each classroom were selected to participate.…
Descriptors: Teacher Student Relationship, Interaction, Preschool Children, Preschool Teachers
