Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 20

People who prefer to get up earlier, go to bed earlier, and engage in morning activities and whose body temperature rises more quickly in the morning and peaks earlier at night are called (a) _____. People who prefer to get up later, go to bed later, and engage in afternoon-evening activities and whose body temperature rises more slowly in the morning and peaks later at night are called (b) _____.