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?
A) Type I
B) Type II
C) Type III
D) correlational

Question

Quizplus · Accepted Answer

The researcher has made a Type II error, which occurs when a study fails to detect a real effect or association that actually exists in the population. In this case, the researcher did not find a statistically significant correlation between exercise and weight loss, even though such an association does exist.

Imagine That a Researcher Conducts a Study and Fails to Find