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You Can't Replicate What You Can't See: A Call for Researchers to Share Their Data and Avoid "Fragile" Correlations.
- Source :
-
The Journal of orthopaedic and sports physical therapy [J Orthop Sports Phys Ther] 2021 Dec; Vol. 51 (12), pp. 556-558. - Publication Year :
- 2021
-
Abstract
- Synopsis: We suggest that a measure of a correlation's fragility is the minimum number of items that, when replaced with the group median, result in a nonsignificant correlation on reanalysis. Between January 2000 and July 2021, there were 1769 significant correlations reported in 142 papers published in this journal, and only 51 correlations (2.9%) had available data (scatter plots from which we could digitize the raw data). Twenty-six of these 51 correlations were fragile at 4 or fewer replacements. Five of the reported significant correlations were not significant when we replicated the analysis from the extracted data. J Orthop Sports Phys Ther 2021;51(12):556-558. doi:10.2519/jospt.2021.0112 .
Details
- Language :
- English
- ISSN :
- 1938-1344
- Volume :
- 51
- Issue :
- 12
- Database :
- MEDLINE
- Journal :
- The Journal of orthopaedic and sports physical therapy
- Publication Type :
- Editorial & Opinion
- Accession number :
- 34847696
- Full Text :
- https://doi.org/10.2519/jospt.2021.0112