Pearson r statistical significance
[DOC File]UNDERSTANDING THE PEARSON CORRELATION …
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The significance test for a Pearson correlation coefficient is not robust to violations of the independence assumption. If this assumption is violated, the correlation significance test should not be computed. SPSS© computes the Pearson correlation coefficient, an index of effect size. The index ranges in value from -1.00 to +1.00.
[DOC File]Correlation Analysis
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Pearson r is .192, which is statistically, although not write-home-about, significant. These data suggest that there is a small but significant tendency for persons higher in cognitive ability to be better able to fake this common personality test when so instructed.
[DOC File]MULTIPLE REGRESSION AND CORRELATION
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Tests of Significance for R Squared Added. The ability of any single variable to predict the criterion is measured by the simple correlation, and the statistical significance of the correlation can be tested with the t-test, or with an F-test using Formula (2) with k=1.
Statistical Versus Clinical Significance in Psychiatry
statistical significance, clinical significance, odds ratio, effect size, number needed to treat, confidence intervals. ... Pearson’s r was 0.78 (p
[DOC File]Exclusive Societies - Illinois Wesleyan University
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The variables of age, group, Bulgaria, and Romania were all retained for both models because significance was .000 and the Pearson's coefficient was stronger than most other variables. In the support model, Lithuania is included because of its level of significance. In the satisfaction model, Estonia is also included because of its significance.
[DOC File]Estimating the Sample Size Necessary to Have Enough Power
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Here are minimum sample sizes for detecting small (but not trivial), medium, and large sized effects for a few simple designs. I have assumed that you will employ the traditional .05 criterion of statistical significance, and I have used Cohen’s guidelines for what constitutes a small, medium, or large effect. Chi-Square, One- and Two-Way
[DOC File]CHAPTER 17: SOCIAL STATISTICS
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c. Testing the significance of a correlation coefficient. d. Calculating gamma. e. Calculating Pearson's r. ANS: C. 15. Faced with data that do not support an assumption of independence between two variables in a population, a researcher . a. Immediately rejects the assumption of independence. b.
[DOCX File]Statistical Tests - Loudoun County Public Schools / Overview
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The Pearson R Correlation allows you to test how the values of one event or object relates to the values of another event or object. ... a two-tailed test allots half of your alpha to testing the statistical significance in one direction and half of your alpha to testing statistical significance in …
[DOC File]www.radford.edu
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Spearman’s Rho rs : Correlation coefficient that estimates the strength and direction of the relationship between two ordinal variables. Calculated using Pearson’s r formula. However, the r table can’t be used to estimate significance. For N > 10 and N < 28, convert to …
[DOC File]Rule of Thumb for Interpreting the Size of a Correlation ...
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Rule of Thumb for Interpreting the Size of a Correlation Coefficient Size of Correlation Interpretation .90 to 1.00 (-.90 to –1.00) Very high positive (negative) correlation .70 to .90 (-.70 to -.90) High positive (negative) correlation .50 to .70 (-.50 to -.70) Moderate positive (negative) correlation .30 to .50 (-.30 to -.50) Low positive (negative) correlation .00 to .30 (.00 to -.30 ...
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