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Andi Fugard

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>1 million z-values


The distribution of more than one million z-values from Medline (1976–2019).

You need \(|z| > 1.96\) for “statistical significance” at the usual 5% level. This picture suggests a significant problem of papers not being published if that threshold isn’t crossed.

Source: van Zwet, E. W., & Cator, E. A. (2021). The significance filter, the winner’s curse and the need to shrink. Statistica Neerlandica, 75(4), 437–452.


Author AndiPosted on 7 August 2022Tags methodology, social science

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  • Greetings
  • Ham radio
    • Useful web tools
  • They/them
  • Teaching
    • Apps for teaching
    • Writing a PhD thesis
    • Choosing a PhD programme
  • Research
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  • Miscellaneous stuff
    • A random number
    • Books I liked
    • Quotations/poems
    • Lyrics
    • Seven Factorial Theatrical Despair
    • London places I like (and so might you)
    • Software I use
  • Contact me

Recent Posts

  • Myers-Briggs
  • Writing a song “is an act of self-murder”: Nick Cave on ChatGPT
  • Emotional blunting cured by reading original research
  • Dealing with confounding in observational studies
  • “A Handbook of Integer Sequences” Fifty Years Later

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Recent Posts

  • Myers-Briggs
  • Writing a song “is an act of self-murder”: Nick Cave on ChatGPT
  • Emotional blunting cured by reading original research
  • Dealing with confounding in observational studies
  • “A Handbook of Integer Sequences” Fifty Years Later
  • Greetings
  • Research
  • Blog
  • Contact me
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