ANOVA >> For multiple comparisons, illustrate or calculate true error rates and effects of adjustments
| APPLET | SOURCE | DESCRIPTION |
| The Hazard of Multiple Comparisons | Wolfram Demonstrations Project | Simulates multiple comparisons with different sample sizes, desired Type I error rates and number of comparisons and shows estimates of true Type I error rates with and without Bonferroni correction. more |
| Bonferroni | SISA, Simple Interactive Statistical Analysis | Estimates true error rate and Sidak's and Bonferroni adjusted alphas and critical values based on alpha and number of tests. more |
| Interpret p-values | GraphPad QuickCalcs | Estimates true error rate based on alpha and number of tests. more |