4. Statistical Inference

Power Analysis — Quiz

Test your understanding of power analysis with 5 practice questions.

Read the lesson first

Practice Questions

Question 1

Which of the following describes the probability of correctly rejecting a false null hypothesis?

Question 2

What is the primary consequence of a study having insufficient statistical power?

Question 3

If a researcher increases the desired statistical power from $0.80$ to $0.95$, what is the most likely impact on the required sample size, assuming other factors remain constant?

Question 4

In power analysis, what does the term 'effect size' quantify?

Question 5

Which of the following is a key input parameter required to conduct a power analysis?