In a recent study that tested differences in metacognition between those with high ability and those with low ability, Teo concluded that there were not differences between these groups. In fact, however, the low ability students were actually significantly better at monitoring their learning. Teo's conclusion represents
A) a Type I error
B) a Type II error
C) both a Type I and a Type II error
D) neither a Type I or Type II error

Question

Quizplus · Accepted Answer

Teo's conclusion represents a Type II error, which is failing to reject a false null hypothesis. In this case, the false null hypothesis is that there are no differences in metacognition between those with high ability and those with low ability, when in fact there is a difference (the low ability students being better at monitoring their learning).

In a Recent Study That Tested Differences in Metacognition Between