A researcher reports a significant correlation using an alpha level of .01.In this situation A)the probability that the researcher is making a Type I error is p .01. B)the probability that the researcher is making a Type I error is p .01. D)the probability that the researcher is making a Type II error is p

Question

A researcher reports a significant correlation using an alpha level of .01.In this situation A)the probability that the researcher is making a Type I error is p > .01. B)the probability that the researcher is making a Type I error is p < .01. C)the probability that the researcher is making a Type II error is p > .01. D)the probability that the researcher is making a Type II error is p < .01.

Quizplus · Accepted Answer

A p-value of .01 means that there is a 1% chance of obtaining the observed correlation or a more extreme correlation (in the direction of the alternative hypothesis) if the null hypothesis is true. This means that if the null hypothesis is true, the researcher would make a Type I error (reject the null hypothesis when it is true) only 1% of the time. Therefore, the probability that the researcher is making a Type I error is less than .01, or p < .01.

A Researcher Reports a Significant Correlation Using an Alpha Level