"Significant" does not mean "big" or "important" in this context. It means "not explained by chance more than 1 time out of 20 (p=0.05) if we repeated this expe

"Significant" does not mean "big" or "important" in this context. It means "not explained by chance more than 1 time out of 20 (p=0.05) if we repeated this experiment, given our data and the assumptions in our statistical model".