A researcher is interested in the academic performance differences between individuals using an optimistic versus a pessimistic approach to their studies.If the researcher claims a significant difference between groups,when in fact none exists,
A)a Type I error is made.
B)a Type II error is made.
C)the research hypothesis was correctly accepted.
D)the null hypothesis was correctly accepted.
E)the research hypothesis was correctly rejected.

Question

Quizplus · Accepted Answer

A Type I error occurs when the null hypothesis is rejected when it is actually true. In this case, the researcher falsely claims a significant difference between the groups when none truly exists, which is a Type I error.

A Researcher Is Interested in the Academic Performance Differences Between