Imagine that a researcher conducts a study and FAILS to find a statistically significant correlation between exercise and weight loss. However, there is a real association between exercise and weight loss in the population. What kind of error has this researcher made?

Question

Quizplus · Accepted Answer

The researcher has made a Type II error, which occurs when the null hypothesis is not rejected when it should have been. In other words, the researcher failed to detect a real relationship between exercise and weight loss when it actually exists in the population. This is also known as a false negative.

Imagine That a Researcher Conducts a Study and FAILS to Find