Conversation so far:
when do you do a post hoc test
Post hoc tests should only be run when you have a shown an overall statistically significant difference in group means.
what does statistically significant difference in group means mean
a statistically significant one-way ANOVA result
what does one-way mean in reference to ANOVA tests
One-way has one independent variable
what kind of test is an ANOVA test
An ANOVA test is a way to find out if survey or experiment results are significant. Basically, you’re testing groups to see if there’s a difference between them.

Question: what's an example
Self-contained rewrite: what's an example of an ANOVA test