Below is a table that shows computer output for a Tukey Post-Hoc test for the ANOVA

Tukey HSD Multiple Comparisons Dependent Variable: Closeness Tukey HSD (1) Group (J) Group Mean Difference (1-J) Std. Error Sig (p). Text Message Video Chat 6.06* 97958 0000 Phone 0.07 97958 9970 Video Chat Text Message 6.06* .97958 0000 Phone 6.00* 97958 0000 Phone Text Message 0.07 97958 9970 Video Chat -6.00* .97958 0000 *The mean difference is significant at the 0.05 level