If you do an experiment and get a statistically significant result, and then repeat the same experiment and get a statistically significant result again. You may think that you have a better evidence than doing the experiment only once. But consider this; if the significance level in the second experiment is less, the “P value” would be less less significant. IN this case, will the evidence be stronger or weaker?
If more studies are completed that result in similar results as previous studies then this would definitely be an increase in the evidence supporting the result (whatever it may be).
You are placing too much emphasis on the statistical significance of an experiment. For example, let's say you do an experiment and the result of interest is statistically significant at p
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