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Research Methods & Reporting

Trap of trends to statistical significance: likelihood of near significant P value becoming more significant with extra data

BMJ 2014; 348 doi: https://doi.org/10.1136/bmj.g2215 (Published 31 March 2014) Cite this as: BMJ 2014;348:g2215

Article usage

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Usage statistics: March 2014 to August 2019

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AbstractFullPdf
Mar 2014022429
Apr 2014094311587
May 201402987255
Jun 201402097218
Jul 201401196170
Aug 20140923127
Sep 2014071093
Oct 2014038026
Nov 2014066450
Dec 2014073362
Jan 20150832201
Feb 20150898178
Mar 20150920194
Apr 20150843101
May 2015186773
Jun 2015032562
Jul 2015333166
Aug 2015525986
Sep 2015232287
Oct 20151343749
Nov 20151435543
Dec 201526361100
Jan 201619325300
Feb 20161427573
Mar 20161228354
Apr 2016732252
May 2016131738
Jun 2016027347
Jul 2016026746
Aug 2016025045
Sep 2016028849
Oct 2016558473
Nov 20161368110
Dec 2016036046
Jan 2017136830
Feb 2017032433
Mar 2017137237
Apr 2017030931
May 201711038100
Jun 2017052255
Jul 2017041542
Aug 2017038229
Sep 2017035640
Oct 2017046776
Nov 2017049390
Dec 2017037945
Jan 2018039638
Feb 2018847842
Mar 2018362949
Apr 2018074231
May 2018470349
Jun 2018054126
Jul 2018058737
Aug 2018056536
Sep 20181665137
Oct 2018060481
Nov 2018157966
Dec 2018059463
Jan 2019175173
Feb 2019258744
Mar 2019066465
Apr 2019376865
May 2019267951
Jun 2019065861
Jul 2019055575
Aug 2019025855
Total151474356542