Aresearcher reads a study in which the result is significant (pless than< 0.05). the researcher then looks at the size of the sample. if the sample is very large (rather than very small), how should this affect the researcher's interpretation of (a) the probability that the null hypothesis is actually true and (b) the practical importance of the result? (c) explain these answers to a person who understands hypothesis testing but has never learned about effect size or power.