心理学評論
Online ISSN : 2433-4650
Print ISSN : 0386-1058
特集: 社会のための心理学
p値を使って学術論文を書くのは止めよう
豊田 秀樹
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ジャーナル フリー

2017 年 60 巻 4 号 p. 379-390

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A p-value can be simply defined as the probability that under a specified statistical model a statistical summary of the data (e.g., the mean difference between two groups) would be equal to or more extreme than its observed value. p-values do not measure the probability that the studied hypothesis was true, or the probability that the data were produced by random chance alone (Wasserstein & Lazar, 2016). What researchers usually want is p(HjD), the probability that a research hypothesis was true, given the data. Three examples were shown that analyzed using the probability that a hypothesis was true, instead of p-values. A peer-reviewed policy using a new standard for publishing useful papers for society was proposed.

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