But because ANOVA is an omnibus test, you don’t know where the source of the significant difference lies. What if you’re interested in that, though? And you will almost certainly be. Well, you could take two groups (or pairs) at a time (such as 25% color and 75% color) and test them against each other. In fact, you could test every combination of two against each other. Kosher? Maybe not. Performing multiple t tests like this without a well-thought-out hypothesis for each comparison is sometimes called fishing, and fishing is actually against the law in some jurisdictions. When you do this,
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