Author Question: Sometimes researchers are surprised to find no effect in a study when in fact there really is an ... (Read 469 times)

sarasara · **on:** Jul 24, 2018

Sometimes researchers are surprised to find no effect in a study when in fact there really is an effect in the population. This type of result is known as
a. the significance level of the test.
b. the power of the study.
c. a Type 1 error.
d. a Type 2 error.

Question 2

A significance test based on a small sample may not produce a statistically significant result even if the true value differs substantially from the null value. This type of result is known as
a. the significance level of the test.
b. the power of the study.
c. a Type 1 error.
d. a Type 2 error.