What is the consequence of a Type II error?
A)Concluding that a treatment has an effect when it really does
B)Concluding that a treatment has no effect when it really has no effect
C)Concluding that a treatment has no effect when it really does
D)Concluding that a treatment has an effect when it really has no effect

Question

What is the consequence of a Type II error?​
A)​Concluding that a treatment has an effect when it really does
B)​Concluding that a treatment has no effect when it really has no effect
C)​Concluding that a treatment has no effect when it really does
D)​Concluding that a treatment has an effect when it really has no effect

Quizplus · Accepted Answer

A Type II error occurs when we fail to reject the null hypothesis (thus concluding that a treatment has no effect) when in reality the alternative hypothesis is true (thus the treatment does have an effect). In other words, we falsely conclude that there is no effect when there actually is one.

What Is the Consequence of a Type II Error?​

What Is the Consequence of a Type II Error?