29 groups analysed *the same dataset* to answer
the same research question.
69% found significant results, 31% did not.
Effect sizes ranged from 0.89 to 2.93.
"This suggests that significant variation in the results of analyses of complex data may be difficult to avoid even by experts with honest intentions."
Link to the article here: Many analysts, one dataset: Making transparent how variations in analytical choices affect results
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