The first way is to cite the alpha value, as in the second of the single sample t -test examples above. Probability values: report the p-value exactly, unless it is less than .001. The report in APA A Wilcoxon Signed-Ranks Test indicated that the median post- test ranks were statistically significantly higher than the median pre-test ranks Z = 21, p < .027. For example (SD = 1.5, CI = -5, 5) Use parentheses to enclose degrees of freedom. The second way, very much the preferred way in the age of computer aided calculations (and the way recommended by the APA), is to report the exact p value (as in our first example). In reporting the results of statistical tests, report the descriptive statistics, such as means and standard deviations, as well as the test statistic, degrees of freedom, obtained value of the test, and the probability of the result occurring by chance (p value). Published on December 21, 2020 by Pritha Bhandari. Test statistics and p values should be rounded to two decimal places. F(1, 24) = 44.4, p < .01. For example: t(33) = 2.10, p = .03. One is: report the fixed effect with CI/p-values in a table. There are two ways to report p values. Note that when a p-value is less than .001, we do not report p = .000. For example: t(28) = 1.10, SEM = 28.95, p = .268. When reporting non-significant results, the p-value is generally reported as the a posteriori probability of the test-statistic. The APA manual provides rigorous guidelines for what to report in quantitative research papers in the fields of psychology, education, and other social … For example, t(10) = 2.16. The preferred method of reporting P-values is to use an exact number, with two or three significant decimal places rather than as a range or category (e.g., NS, p > .05, or p < .05). Then the correlation coefficient is reported, followed by the p-value. P-values below .001 are reported as p < .001. You may also report the exact p value (this is the preferred option if you want to make your data convenient for individuals conducting a meta-analysis on the topic). This is because p-values can never be equal to zero. How to write an APA results section. Report Exact P-Values. The following examples illustrate how to report statistics in the text of a research report. All APA style dictates reporting the exact p value within the text of a If your exact p value is less than .001, it is conventional to state merely p < .001. SEM = 10.50, p = .0057.2 If you report the a posteriori probability and the value is less than .001, it is customary to report p < .001. The results section of a quantitative research paper is where you summarize your data and report the findings of any relevant statistical analyses.. 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