P value
The probability, under a specified null model, of obtaining data at least as incompatible with that model as the observed data.
How to interpret it
A p value is not the probability that the null hypothesis is true and does not measure effect magnitude.
Related practical guides
- APA 7 Statistical Tables: Examples for t Tests, ANOVA, Correlation, and Regression
- How to Report p Values, Confidence Intervals, and Effect Sizes in APA 7