Dr. Deveraux has conducted a study that has resulted in a null effect. Nonetheless, she suspects that there truly is a causal relationship between her independent and dependent variables. Which of the following is UNLIKELY to be to blame?
A)A weak manipulation
B)An insensitive measure
C)Too many participants
D)A reverse confound

Question

Quizplus · Accepted Answer

Having too many participants is unlikely to be the cause of a null effect, as larger sample sizes generally increase statistical power and make it easier to detect true effects. A weak manipulation, an insensitive measure, or a reverse confound are more likely to be the cause of a null effect.

Dr Deveraux Has Conducted a Study That Has Resulted in a Null