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Refers to statistical complications or problems due to having few data. If your question is about a small sample relative to the number of variables, please use the [underdetermined] tag instead.

6 votes

Can I trust a significant result of a t-test if the sample size is small?

The main thing you need to worry about is the power of your test. In particular, you might want to do a post-hoc power analysis to determine how likely you are, given your sample size, to identify a t …
Patrick B.'s user avatar