1. You see the following information in a journal article: We found that people were significantly calmer after meditating than before t (575) = 2.40, p < .01. a) How many people participated in the study? b) What was the limit for the probability of making a Type I error? c) How can you tell this is a one tailed test? d) Would this have been a significant result if we did an alpha = .01 (2 tailed) test? e) What is the effect size (hint: compare the formula for t and d', they have a lot in common) f) This research yielded a significant effect. Do you think it is also an important effect? Please provide a reason for your answer that includes some sort of statistical evidence.