A research methods student carries out a null hypothesis test. She does everything correctly and rejects the null hypothesis. It is still possible, though, that she has done which of the following?
A) committed a Type I error
B) committed a Type II error
C) committed a sampling error
D) none of the above

Question

Quizplus · Accepted Answer

If the researcher rejects the null hypothesis when it is actually true, she has committed a Type I error. This means that she falsely concluded that there was a significant effect or relationship when there actually wasn't.

A Research Methods Student Carries Out a Null Hypothesis Test