With alpha and the effect of the independent variable held constant, as N increases _________.
A) power increases
B) the probability of a Type I error increases
C) the probability of a Type II error increases
D) power decreases

Question

Quizplus · Accepted Answer

As N increases, the sample size increases, which leads to a more accurate estimate of the population parameter, and hence increases the power of the test. Therefore, the correct choice is A.

With Alpha and the Effect of the Independent Variable Held