Statistical significance - Wikipedia, the free encyclopedia
In statistics, a result is called statistically significant if it is unlikely to have occurred by chance. The phrase ‘ test of significance ’, like so much in modern statistics, was coined by Rona...
en.wikipedia.org/wiki/Statistical_significance
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"Significance level" is a misleading term that many researchers do not fully understand. This article may help you understand the concept of statistical significance and the meaning of the numbers produced by The Survey System.
www.surveysystem.com/signif.htm www.surveysystem.com/signif.htm
What does "statistical significance" really mean? ... Thus, for the statistician, it may be wise to adopt a policy of always referring to "statistical significance" rather than simply "significance" when communicating with the public.
www.statpac.com/surveys/statistical-significance.htm www.statpac.com/surveys/statistical-significance.htm
Statistical Test ... Learn the logic behind fundamental statistical concepts! ... 100 modules -- Get a solid grounding in basic statistical reasoning!
www.animatedsoftware.com/statglos/sgsignif.htm www.animatedsoftware.com/statglos/sgsignif.htm
All results obtained by statistical methods suffer from the disadvantage that they might have been caused by pure statistical accident. The level of statistical significance is determined by the probability that this has not, in fact, happened.
www.numberwatch.co.uk/significance.htm www.numberwatch.co.uk/significance.htm
Statistical significance in science ... Degrees of statistical significance are not distinguished. Some statisticians feel very strongly about this. Many scientists are not so rigid, and refer to results as being "barely significant", "very significant" or "extremely significant".
www.graphpad.com/articles/interpret/principles/stat_sig... www.graphpad.com/articles/interpret/principles/stat_sig.htm
P VALUES AND STATISTICAL SIGNIFICANCE; The traditional approach to reporting a result requires you to say whether it is statistically significant. You are supposed to do it by generating a p value from a test statistic.
www.sportsci.org/resource/stats/pvalues.html
Explains how the concept of statistical significance relates to the proportion of true and false results that are published in the research literature. ... "Statistical significance" refers to the probability that the observed result could have occurred randomly if it has no true underlying effect. This probability is...
www.useit.com/alertbox/20040301_significance.html www.useit.com/alertbox/20040301_significance.html
Figuring out the Importance of Research Results: Statistical Significance versus Practical Significance ... Tests of Statistical Significance ... It is an unfortunate circumstance that statistical methods used to test the null hypothesis are commonly called tests of statistical significance.
www.uoregon.edu/~mgall/statistical_significance_v.htm www.uoregon.edu/~mgall/statistical_significance_v.htm
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