Restate each of the following research questions as questions about behavioral variability.
a. Does eating too much sugar increase children's activity level?
b. Do continuous reinforcement schedules result in faster learning than intermittent reinforcement schedules?
c. Do people who are depressed sleep more or less than those who are not depressed?
d. Are people with low self-esteem more likely than those with high self-esteem to join cults?
e. Does caffeine increase the startle response to loud noise?