A Researcher Is Interested in the Academic Performance Differences Between

Multiple Choice

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) the research hypothesis was correctly rejected.
B) the research hypothesis was correctly accepted.
C) a Type 1 error is made.
D) the null hypothesis was correctly accepted.
E) a Type 2 error is made.