The Difference Between Significant and Not Significant is Not Statistically Significant

December 11th, 2006 by jose

MINDLESS SIGNIFICANCE TESTING

pval

Decision science news has a post on hypothesis testing that I find relevant.

Some well-made points grow old while no one pays attention to them. One of the most embarrassing for social science is its categorical perception of p-values.

Tender of kindred Web site Andrew Gelman and Hal Stern have an article whose name says it all: The Difference Between “Significant” and “Not Significant” is not Itself Statistically Significant.

Link to The Difference Between Significant and Not Significant is Not Statistically Significant

 

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4 Responses to “The Difference Between Significant and Not Significant is Not Statistically Significant”

  1. One sample t-test « learnsigma Says:

    [...] A fuller description of the possible alternatives can be found here. One of the advantages of the t-test is that it can be applied to a relatively small number of cases. It was specifically designed to evaluate statistical differences for samples of 30 or less. However, although the assumption of normality is not too important with large samples, it is important with small sample sizes, for example less than 10. You also need to be aware that statistically significant does not mean the same as practically significant. [...]

  2. learnsigma Says:

    [...] A fuller description of the possible alternatives can be found here. One of the advantages of the t-test is that it can be applied to a relatively small number of cases. It was specifically designed to evaluate statistical differences for samples of 30 or less. However, although the assumption of normality is not too important with large samples, it is important with small sample sizes, for example less than 10. You also need to be aware that statistically significant does not mean the same as practically significant. [...]

  3. Misuses of “Significant” (#5) « Policy Economist Says:

    [...] 11, 2006 by WDW A post at Academic Productivity describes a new (to me) problem with statistical significance: the [...]

  4. 行中水 » Blog Archive » ZZ:How to complete your PhD Says:

    [...] Be aware that the difference between significant and not significant is not statistically significant [...]

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