In the 1940s, Walt Disney produced an educational cartoon titled "The Story of Menstruation."

The brain damage associated with autism tends to

A) be variable. B) involve the cerebellum in some cases. C) involve the frontal cortex in some cases. D) involve the amygdala in some cases. E) all of the above

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.