A scientist has concluded that two variables are significantly correlated when in fact they are not. The scientist has
A) made a Type 1 error.
B) miscalculated the p-value.
C) a small effect size.
D) low statistical power.

Question

Quizplus · Accepted Answer

A Type 1 error occurs when a researcher incorrectly rejects a true null hypothesis, meaning they conclude there is a significant effect or relationship when there isn't one.

A Scientist Has Concluded That Two Variables Are Significantly Correlated