a laybed a study that just barely fails to be significant at the 05 level. That

Question

a laybed a study that just barely fails to be significant at the 05 level. That is, the reshtis very large (rather than very small), how should this affect your judg- Menability that the null hypothesis is actually false? (o) Explain your answers to s 14. You read ot statistically significant. You then look at the size of the sample. If the samp)e probability that the null hypothesis is actually true and (b) the suent of (a) the arson who understands hypothesis testing but has never learned about power

Explanation / Answer

18.

a)

As the sample size is very large and the null hypothesis is still not rejected, then that increases the probability that the null hypothesis is actually true.

b)

In consequence of part a, the probability that the null hypothesis is false decreases.

c)

Because we have many participants in our experiment, we have more idea about the whole population. Hence, we are more confident about our decision that the result is indeed insignificant.

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