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The role of meta-analysis and preregistration in assessing the evidence for cleansing effects

Ross,Robert M.
; 
van Aert,Robbie C. M.
; 
van den Akker,Olmo R.
; 
van Elk,Michiel
Abstract
Lee and Schwarz interpret meta-analytic research and replication studies as providing evidence for the robustness of cleansing effects. We argue that the currently available evidence is unconvincing because (a) publication bias and the opportunistic use of researcher degrees of freedom appear to have inflated meta-analytic effect size estimates, and (b) preregistered replications failed to find any evidence of cleansing effects.
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Funding Information: Robert M. Ross is supported by the Australian Research Council, Grant Number: DP180102384. Robbie C.M. van Aert and Olmo R. van den Akker are supported by the European Research Council, Grant Number: 726361 (IMPROVE). .
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2021
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Tilburg University Research Output Collection
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Ross, R M, van Aert, R C M, van den Akker, O R & van Elk, M 2021, 'The role of meta-analysis and preregistration in assessing the evidence for cleansing effects', Behavioral and Brain Sciences, vol. 44, e19. https://doi.org/10.1017/S0140525X20000606
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https://hdl.handle.net/20.500.14602/75277
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