Statistical significance vs practical importance

    • When Is Statistical Significance Meaningful? A Practice ...

      The term "statistical significance" is especially problematic for the social worker with a mindset that is more within practice than within statistics. In a social work practice context, we be-come conditioned to think of significance as synonymous with importance. For example, we talk of "significant others" or "sig-

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    • [PDF File]Statistical Significance versus practical significance

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      Statistical Significance versus practical significance The decision to reject a null hypothesis H 0 is based on the . The the p-value the we say is the evidence against the null hypothesis H 0 of the alternative hypothesis H a. If we have a sample size n, even differences will become . …

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    • [PDF File]Distinguishing Between Economic Importance and Statistical ...

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      Economic Importance and Statistical Significance: Guidelines for Communicating Empirical Research Jane E. Miller and Yana van der Meulen Rodgers Published in Feminist Economics, 2008. Vol. 14(2): 117-149. ABSTRACT A critical objective for many empirical studies is a thorough evaluation of both substantive importance and statistical significance.

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    • [PDF File]Practical and Statistical Significance - University of Arizona

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      40 Practical and Statistical Significance Statistical significance (P-value) indicates the extent to which the null hypothesis is contradicted by the data. Practical (or biological or whatever) significance is different, and describes the practical importance of the effect in question. A study may suggest a statistically significant increase in plant growth of 1% due to a treatment, but this

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    • Statistical versus Practical Significance Examples

      Statistical versus Practical Significance: Examples Practical Significance Practical Significance: An Example ☺☺☺☺☺ ☺☺☺☺☺ ☺☺☺☺☺ ☺☺☺☺☺ ☺☺☺☺☺ ☺☺☺☺☺ ☺☺☺ ☺☺☺ XX A B In set A, 2 out of 20 smiles were unhappy.

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    • [PDF File]Clinical Significance 1 Running Head: CLINICAL ...

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      describes the methods used in establishing clinical significance. Statistical Significance ... about research importance. The first clinical significance test was created in 1984 by Jacobson, Follette, and Revenstorf, a group of psychotherapists who felt a void in their field. ...

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    • [PDF File]STATISTICAL SIGNIFICANCE AND PRACTICAL SIGNIFICANCE …

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      STATISTICAL SIGNIFICANCE AND PRACTICAL SIGNIFICANCE IN STATISTICS EDUCATION OBJECTIVE •Statistical Significance vs practical significance. •Does the sample provide good evidence against a claim? BACKGROUND Statistics null hypothesis testing (SNHT) indicates whether

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    • Statistical versus Practical Significance - The Atrium

      Practical Significance Practical Significance Practical significance is not the same as statistical significance. Recall, a general problem with traditional statistics is that if you take large enough samples, almost any difference or any correlation will be significant. Due to this problem, many editors and publishers are requiring

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    • [PDF File]P Values, Statistical Significance & Clinical Significance

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      P Values, Statistical Significance & Clinical Significance When looking at the results of a research study, a practitioner has to answer two big questions: 1. Were the results due to chance? 2. Are the results big enough to matter to a patient? P values and Statistical Significance

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    • [PDF File]When is statistical significance not significant?

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      theory”. Similarly, McLean and Ernest (1998: 15) point out that significance tests provide no information about the practical significance of an event, or about whether or not the result is replicable. More directly, Carver (1978; 1993) argues that all forms of significance test should be abandoned3. Considering this controversy, what is the ...

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