Replication of Special Education Research: Necessary but Far Too Rare
© Hammill Institute on Disabilities 2016. Increased calls for rigor in special education have often revolved around the use of experimental research design. However, the replicability of research results is also a central tenet to the scientific research process. To assess the prevalence, success rate, and authorship history of replications in special education, we investigated the complete publication history of every replication published in the 36 journals categorized by ISI Web of Knowledge Journal Citation Report as special education. We found that 0.5% of all articles reported seeking to replicate a previously published finding. More than 80% of these replications reported successfully replicating previous findings. However, replications where there was at least one author overlapping with the original article (which happens about two thirds of the time) were statistically significantly more likely to find successful results.
Makel, MC; Plucker, JA; Freeman, J; Lombardi, A; Simonsen, B; Coyne, M
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