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TARG members involved in Reproducibility Project.

2 September 2015

TARG members, among other University of Bristol staff, have been involved in a large-scale scientific collaboration to investigate the rate of reproducibility in psychology.

TARG members, among other University of Bristol staff, have been involved in a large-scale scientific collaboration to investigate the rate of reproducibility in psychology. The project attempted to replicate 100 studies across 3 prominent journals, finding less than half produced the same findings as the original study. 

The project only covered certain areas of psychology, and it is inevitable that not all initial findings will replicate. Some of the initial findings may be false positives, or only observable under specific conditions, while some of the failures to replicate may be false negatives.

However, the project emphasises the need to test initial findings and replicate them. Angela Attwood said: ‘Scientific evidence does not rely on trusting the authority of the person that made the discovery.  Rather, credibility accumulates through independent replication and elaboration of the ideas and evidence.’

More details can be found at:

http://www.bristol.ac.uk/news/2015/august/reproducibility-of-psychology-studies.html

http://www.theguardian.com/science/2015/aug/27/study-delivers-bleak-verdict-on-validity-of-psychology-experiment-results

http://www.theatlantic.com/health/archive/2015/08/psychology-studies-reliability-reproducability-nosek/402466/

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