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- Counternull abstract "In statistics, and especially in the statistical analysis of psychological data, the counternull is a statistic used to aid the understanding and presentation of research results. It revolves around the effect size, which is the mean magnitude of some effect divided by the standard deviation.The counternull value is the effect size that is just as well supported by the data as the null hypothesis. In particular, when results are drawn from a distribution that is symmetrical about its mean, the counternull value is exactly twice the observed effect size. The null hypothesis is a hypothesis set up to be tested against an alternative. Thus the counternull is an alternative hypothesis that, when used to replace the null hypothesis, generates the same p-value as had the original null hypothesis of “no difference.”Some researchers contend that reporting the counternull, in addition to the p-value, serves to counter two common errors of judgment: assuming that failure to reject the null hypothesis at the chosen level of statistical significance means that the observed size of the "effect" is zero; and assuming that rejection of the null hypothesis at a particular p-value means that the measured "effect" is not only statistically significant, but also scientifically important.These arbitrary statistical thresholds create a discontinuity, causing unnecessary confusion and artificial controversy.Other researchers prefer confidence intervals as a means of countering these common errors.".
- Counternull wikiPageID "12557622".
- Counternull wikiPageLength "4266".
- Counternull wikiPageOutDegree "14".
- Counternull wikiPageRevisionID "644565958".
- Counternull wikiPageWikiLink Category:Data_analysis.
- Counternull wikiPageWikiLink Category:Psychometrics.
- Counternull wikiPageWikiLink Category:Statistical_terminology.
- Counternull wikiPageWikiLink Confidence_interval.
- Counternull wikiPageWikiLink Controversy.
- Counternull wikiPageWikiLink Effect_size.
- Counternull wikiPageWikiLink File_drawer_problem.
- Counternull wikiPageWikiLink Null_hypothesis.
- Counternull wikiPageWikiLink P-value.
- Counternull wikiPageWikiLink Psychology.
- Counternull wikiPageWikiLink Publication_bias.
- Counternull wikiPageWikiLink Standard_deviation.
- Counternull wikiPageWikiLink Statistical_hypothesis_testing.
- Counternull wikiPageWikiLink Statistics.
- Counternull wikiPageWikiLinkText "Counternull".
- Counternull hasPhotoCollection Counternull.
- Counternull wikiPageUsesTemplate Template:Psychology-stub.
- Counternull wikiPageUsesTemplate Template:Reflist.
- Counternull wikiPageUsesTemplate Template:Statistics-stub.
- Counternull subject Category:Data_analysis.
- Counternull subject Category:Psychometrics.
- Counternull subject Category:Statistical_terminology.
- Counternull hypernym Statistic.
- Counternull type Article.
- Counternull type Article.
- Counternull type Field.
- Counternull type Psychometric.
- Counternull type Title.
- Counternull comment "In statistics, and especially in the statistical analysis of psychological data, the counternull is a statistic used to aid the understanding and presentation of research results. It revolves around the effect size, which is the mean magnitude of some effect divided by the standard deviation.The counternull value is the effect size that is just as well supported by the data as the null hypothesis.".
- Counternull label "Counternull".
- Counternull sameAs m.02wvt1x.
- Counternull sameAs Q5176994.
- Counternull sameAs Q5176994.
- Counternull wasDerivedFrom Counternull?oldid=644565958.
- Counternull isPrimaryTopicOf Counternull.