Why should tests include items from a variety of difficulty levels?
a. Students are less likely to guess when there is a wide range of item difficulty.
b. Good tests encourage students to do their best and a range of difficulty helps less confident students.
c. Good tests discriminate at a variety of difficulty levels.
d. Students like to have some easy items because they are more likely to respond correctly by chance.
Question 2
Which of the following tests makes no assumption about the meaning of test responses, but instead, relies on empirical research?
a. TAT
b. MMPI
c. 16PF
d. CPI