A man who engages in frotteurism may achieve arousal and orgasm during the act

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.

Explain why people date from the perspective of the four theories of motivation: instinct doctrine, drive reduction theory, arousal theory, and incentive theory.?

What will be an ideal response?