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tandfonline.com – The Role of p-Values in Judging the Strength of Evidence and Realistic Replication Expectations

tandfonline.com har udgivet en rapport under søgningen “Teacher Education Mathematics”:

Abstract

p-Values are viewed by many as the root cause of the so-called replication crisis, which is characterized by the prevalence of positive scientific findings that are contradicted in subsequent studies. The spectrum of proposed solutions includes redefining statistical significance, abandoning the concept of statistical significance, or eliminating the use of p-values altogether. The unintended consequence of these proposals has been confusion within the scientific community, especially in the absence of consensus or clear alternatives. The goal of this article is to reframe the perceived replication crisis. I argue that this crisis is to a large extent the result of excessive optimism based on unknowingly (and sometimes knowingly) overstated evidence. As a remedy, I suggest a four-part guide to navigating statistical inference with p-values that is accessible for scientists. Examples taken from pharmaceutical drug development for heart failure illustrate key concepts.

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Troels Gannerup Christensen

Jeg er ansat som adjunkt hos Læreruddannelsen i Jelling, hvor jeg underviser i matematik, specialiseringsmodulet teknologiforståelse, praktik m.m. Jeg har tidligere været ansat som pædagogisk konsulent i matematik og tysk hos UCL ved Center for Undervisningsmidler (CFU) i Vejle og lærer i udskolingen (7.-9. klasse) på Lyshøjskolen i Kolding. Jeg er ejer af og driver bl.a. hjemmesiderne www.lærklokken.dk og www.iundervisning.dk, ggbkursus.dk og er tidligere fagredaktør på matematik på emu.dk. Jeg går ind for, at læring skal være let tilgængelig og i størst mulig omfang gratis at benytte.

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