People see a sample size of 30 and assume it’s instantly a bad study. A small sample size can still have considerable power depending on the experimental design and assuming that the sample is actually random across the target population. At the very least, it’s information that can be used to guide the experimental design of future studies.
People see a sample size of 30 and assume it’s instantly a bad study. A small sample size can still have considerable power depending on the experimental design and assuming that the sample is actually random across the target population. At the very least, it’s information that can be used to guide the experimental design of future studies.