A cognitive psychologist tests whether memory for abstract ideas improves when the information is presented both verbally and visually.Which of the following scenarios represents a Type I error?
A)The psychologist concludes that memory does not improve when the true situation is that it does not improve.
B)The psychologist concludes that memory does not improve when the true situation is that it does improve.
C)The psychologist concludes that memory does improve when the true situation is that it does improve.
D)The psychologist concludes that memory does improve when the true situation is that it does not improve.

Question

Quizplus · Accepted Answer

A Type I error occurs when a researcher incorrectly rejects a true null hypothesis, meaning they conclude there is an effect or difference when in fact there is not. In this scenario, concluding that memory improves when it actually does not is a Type I error.

A Cognitive Psychologist Tests Whether Memory for Abstract Ideas Improves