After finding a null result in her study, a researcher decides to conduct a follow-up study where she limits who the findings will generalize to. Which cause of within-group variance is she trying to reduce?
A)Measurement error
B)Individual differences
C)Situation noise
D)Lack of power

Question

Quizplus · Accepted Answer

By limiting who the findings will generalize to, the researcher is attempting to reduce individual differences within the group. This approach aims to make the participants more similar to each other, thereby reducing the variance attributed to differences between individuals.

After Finding a Null Result in Her Study, a Researcher