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You should do enough experiments to be able to state with statistical confidence that it's not a coincidence.
by rmc 14y ago
You should do enough experiments to be able to state with statistical confidence that it's not a coincidence.
- greenyoda 14y agoThe correlation could also be due to a flaw in your experimental design (e.g., something in your lab is contaminating your samples, or the researcher has an unconscious bias that skews measurements in a particular direction), in which case repeating the same experiments will not solve the problem.
- rmc 14y agoSure, there's loads of ways an experiment can be flawed. But also, it might not be flawed. If you're got a good experiment that shows correlation, then it has to be one of the 3 results above.
- ceejayoz 14y agoNo, it is statistically most likely to be one of the 3 results above. "Has to be" doesn't have much of a place in a statistics discussion. There is a non-zero probability of the correlation being due to chance.