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Practical significance refers to the relevance of the study to the question at hand. Statistical significance refers to results of a computation to determine whether a certain event is due to chance.

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โˆ™ 2014-02-14 09:52:07
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Q: What are the major differences between practical significance and statistical significance?
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To decide whether observed differences between samples reflect actual differences between?

statistical significance

What is the difference between statistical significance versus practical significance?

Statistical significance means that you are sure that the statistic is reliable. It is very possible that whatever you conclusion or finding is, it may not be important or it not have any decision-making utility. For example, my diet program has a 1 oz weight loss per month and I can show that is statistically significant. Do you really want a diet like that? It is not practically significant

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NCBI Blast is an acronym for Basic Local Alignment Search Tool. It is used to find areas of local similarity between protein sequences. It is used to decide if there is any statistical significance between matches.

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