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Direct linkFerraro, F. Richard – Autism: The International Journal of Research and Practice, 2016
A total of 32 studies comprising 238 simple reaction time and choice reaction time conditions were examined in individuals with autism spectrum disorder (n?=?964) and controls (n?=?1032). A Brinley plot/multiple regression analysis was performed on mean reaction times, regressing autism spectrum disorder performance onto the control performance as…
Descriptors: Autism, Pervasive Developmental Disorders, Reaction Time, Multiple Regression Analysis
Zientek, Linda; Nimon, Kim; Hammack-Brown, Bryn – European Journal of Training and Development, 2016
Purpose: Among the gold standards in human resource development (HRD) research are studies that test theoretically developed hypotheses and use experimental designs. A somewhat typical experimental design would involve collecting pretest and posttest data on individuals assigned to a control or experimental group. Data from such a design that…
Descriptors: Data Analysis, Pretests Posttests, Control Groups, Labor Force Development
de Boer, Hester; Donker, Anouk S.; van der Werf, Margaretha P. C. – Review of Educational Research, 2014
This meta-analysis examined the influence of attributes related to the implementation of learning strategy instruction interventions on students' academic performance, and also examined how the attributes related to the method of testing the intervention effects affected the actual effects measured. Using metaregression, we analyzed the…
Descriptors: Meta Analysis, Intervention, Academic Achievement, Learning Strategies
Director, Steven M. – Evaluation Quarterly, 1979
A review of the literature suggests that choice of control group may have affected the policy implications of the major evaluations of governmental training programs. It is argued that the usual evaluation designs underadjust for preprogram differences between trainees and the control group and thus yield biased estimates of program impact.…
Descriptors: Analysis of Covariance, Analysis of Variance, Bias, Control Groups
