The power of a statistical test can be increased by___sample size,____the level of significance or using___tests of significance.
A) decreasing; decreasing; one-tailed
B) increasing; decreasing; one-tailed
C) increasing; reducing; two-tailed
D) decreasing; reducing; two-tailed
E) increasing; increasing; one-tailed

Question

Quizplus · Accepted Answer

Increasing the sample size increases the power of a test. Decreasing the level of significance (making it less stringent) can also increase power. Using one-tailed tests can increase power when the direction of the effect is known.

The Power of a Statistical Test Can Be Increased By___sample