Replication is a hot topic in research – although maybe not enough in educational research – and there are clear proponents but there are also scientists who talk about the ‘replication police’. A new study by Bench et al. sheds an interesting light on the results of replication studies and sees a link between successful replications and the expertise of the researchers doing the replication:
- High expertise teams obtained effect sizes larger than low expertise teams.
- High expertise teams also selected original studies with larger effect sizes.
- The overall pattern of results suggested expertise mostly impacts study selection.
- Experts may consider different methodological criteria at study selection.
Also interesting to note:
High expertise teams also selected studies with smaller sample sizes, but did not differ from low expertise teams on selection of studies based onp-value or the counterintuitiveness of the finding, suggesting that this selection difference was not…
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