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Guido Schwarzer; Gerta Rücker; Cristina Semaca – Research Synthesis Methods, 2024
The "LFK" index has been promoted as an improved method to detect bias in meta-analysis. Putatively, its performance does not depend on the number of studies in the meta-analysis. We conducted a simulation study, comparing the "LFK" index test to three standard tests for funnel plot asymmetry in settings with smaller or larger…
Descriptors: Bias, Meta Analysis, Simulation, Evaluation Methods
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Buzick, Heather; Stone, Elizabeth – Educational Measurement: Issues and Practice, 2014
Read aloud is a testing accommodation that has been studied by many researchers, and its use on K-12 assessments continues to be debated because of its potential to change the measured construct or unfairly increase test scores. This study is a summary of quantitative research on the read aloud accommodation. Previous studies contributed…
Descriptors: Meta Analysis, Reading Aloud to Others, Educational Research, Statistical Analysis
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Duncan, Greg J.; Engel, Mimi; Claessens, Amy; Dowsett, Chantelle J. – Developmental Psychology, 2014
Replications and robustness checks are key elements of the scientific method and a staple in many disciplines. However, leading journals in developmental psychology rarely include explicit replications of prior research conducted by different investigators, and few require authors to establish in their articles or online appendices that their key…
Descriptors: Replication (Evaluation), Robustness (Statistics), Developmental Psychology, Educational Research
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Goldstein, Howard; Lackey, Kimberly C.; Schneider, Naomi J. B. – Exceptional Children, 2014
This review presents a novel framework for evaluating evidence based on a set of parallel criteria that can be applied to both group and single-subject experimental design (SSED) studies. The authors illustrate use of this evaluation system in a systematic review of 67 articles investigating social skills interventions for preschoolers with autism…
Descriptors: Preschool Education, Preschool Children, Intervention, Autism