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Glynn, Adam N.; Ichino, Nahomi – Sociological Methods & Research, 2016
We delineate the underlying homogeneity assumption, procedural variants, and implications of the comparative method and distinguish this from Mill's method of difference. We demonstrate that additional units can provide "placebo" tests for the comparative method even if the scope of inference is limited to the two units under comparison.…
Descriptors: Comparative Analysis, Research Methodology, Causal Models, Inferences
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Fives, Allyn; Russell, Daniel W.; Canavan, John; Lyons, Rena; Eaton, Patricia; Devaney, Carmel; Kearns, Norean; O'Brien, Aoife – International Journal of Research & Method in Education, 2015
In a randomized controlled trial (RCT), treatments are assigned randomly and treatments are withheld from participants. Is it ethically permissible to conduct an RCT in a social setting? This paper addresses two conditions for justifying RCTs: that there should be a state of equipoise and that the trial should be scientifically promising.…
Descriptors: Comparative Analysis, Research Methodology, Control Groups, Experimental Groups
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Chapman, James W.; Tunmer, William E. – Reading Psychology, 2016
The recently reported i3 Scale-Up of Reading Recovery (May et al., 2015) found an effect size of +0.69 in favor of Reading Recovery compared to the control group. We discuss four issues: (a) many of the lowest achieving students were excluded from participation in Reading Recovery; (b) the control group received a range of different experiences;…
Descriptors: Reading Programs, Early Intervention, Reading Difficulties, Program Effectiveness
Churches, Richard; McAleavy, Tony – CfBT Education Trust, 2015
This publication contains 12 (A3 open-out) poster-style reports of teacher experimental research. The style of presentation parallels the type of preliminary reporting common at academic conferences and postgraduate events. At the same time, it aims to act as a form of short primer to introduce teachers to the basic options that there are when…
Descriptors: Educational Research, Randomized Controlled Trials, Teacher Researchers, Foreign Countries