Six-year-old Moira regularly complains of nausea and stomachaches in the morning before school. She cries and refuses to get on the bus. In one-third of children like Moira with school refusal, the real fear is ________

What happens to the critical value when you increase degrees of freedom?

a. It decreases b. It increases c. Stays the same d. It doubles

While she does not scream when her parents attempt to cuddle with her, Inga does tend to look away and demonstrate some discomfort with this activity. With regard to temperament, Inga is best classified as

a. easy. b. difficult. c. slow-to-warm-up. d. secure.