Verified80% confidenceFactTime unknown
In 2015, the Open Science Collaboration attempted to replicate 100 psychology studies, and only about 36% were successfully replicated.
4
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80%
Confidence
Long-term
Relevance
6/1/2026
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UnverifiedFields such as psychology, medicine, and social sciences have exposed a replication crisis over the past decade in which large numbers of research findings cannot be independently reproduced.69% similarUnverifiedA review published in Psychological Science in 2016 indicated that most brain training products lack sufficient scientific evidence to support their claimed effects.60% similar
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