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Dong, Nianbo; Reinke, Wendy M.; Herman, Keith C.; Bradshaw, Catherine P.; Murray, Desiree W. – Society for Research on Educational Effectiveness, 2015
Cluster randomized experiments are now widely used to examine intervention effects in prevention science. It is meaningful to use empirical benchmarks for interpreting effect size in prevention science. The effect size (i.e., the standardized mean difference, calculated by the difference of the means between the treatment and control groups,…
Descriptors: Effect Size, Correlation, Multivariate Analysis, Statistical Analysis
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Tipton, Elizabeth; Hallberg, Kelly; Hedges, Larry V.; Chan, Wendy – Society for Research on Educational Effectiveness, 2015
Policy-makers are frequently interested in understanding how effective a particular intervention may be for a specific (and often broad) population. In many fields, particularly education and social welfare, the ideal form of these evaluations is a large-scale randomized experiment. Recent research has highlighted that sites in these large-scale…
Descriptors: Generalization, Program Effectiveness, Sample Size, Computation
Hill, Darryl V.; Lenard, Matthew A. – Wake County Public School System, 2016
In 2013-14, the Wake County Public School System (WCPSS) launched Achieve3000 as a randomized controlled trial in 16 elementary schools. Achieve3000 is an early literacy program that differentiates non-fiction reading passages based on individual students' Lexile scores. Twoyear results show that Achieve3000 did not have a significant impact on…
Descriptors: Public Schools, Elementary Schools, Elementary School Students, Reading Programs
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Zuilkowski, Stephanie Simmons; Piper, Benjamin – Society for Research on Educational Effectiveness, 2014
If children do not learn how to read in the first few years of primary school, they will struggle to complete the cycle and are at greater risk of dropping out. It is therefore crucial to identify and test interventions that have the potential of making a large impact, can be implemented quickly, and are affordable to be taken to scale by the…
Descriptors: Foreign Countries, Reading Achievement, Reading Instruction, Reading Fluency
Mayer, Alexander K.; Patel, Reshma; Rudd, Timothy; Ratledge, Alyssa – MDRC, 2015
Performance-based scholarships have two main goals: (1) to give students more money for college; and (2) to provide incentives for academic progress. MDRC launched the Performance-Based Scholarship (PBS) Demonstration in 2008 to evaluate the effectiveness of these scholarships in a diverse set of states, institutions, and low-income student…
Descriptors: Scholarships, Performance Based Assessment, Performance Factors, Academic Achievement
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Phelps, Geoffrey; Jones, Nathan; Kelcey, Ben; Liu, Shuangshuang; Kisa, Zahid – Society for Research on Educational Effectiveness, 2013
Growing interest in teaching quality and accountability has focused attention on the need for rigorous studies and evaluations of professional development (PD) programs. However, the study of PD has been hampered by a lack of suitable instruments. The authors present data from the Teacher Knowledge Assessment System (TKAS), which was designed to…
Descriptors: Benchmarking, Knowledge Base for Teaching, Effect Size, Professional Development
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Cordray, David S.; Pion, Georgine M.; Brandt, Chris; Molefe, Ayrin – Society for Research on Educational Effectiveness, 2013
One of the most widely used commercially available systems incorporating benchmark assessment and training in differentiated instruction is the Northwest Evaluation Association's (NWEA) Measures of Academic Progress (MAP) program. The MAP program involves two components: (1) computer-adaptive assessments administered to students three to four…
Descriptors: Student Evaluation, Individualized Instruction, Computer Assisted Testing, Educational Assessment