Which of the following properties determines the loudness of sound?
a) pitch
b) amplitude
c) purity
d) timbre
ANS: B, The strength of a wavelength determines the loudness of the sound.
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Thirst, sexual desire, and hunger are examples of ________ drives
a) primary b) reduction c) secondary d) internalized
Which of the following statements is descriptive?
a. The average weight of students in the statistics class is 143 pounds. b. The USDA has tested 12% of the corn crop and believes that the total corn crop will be unaffected by last year's drought. c. On the basis of incoming freshmen SAT scores, I think that next year's class will have a GPA of 2.48. d. On the basis of a survey of 15% of the student body, I think that the students, in general, would prefer fewer potato dishes served in the cafeteria.
What is the first stage of the birth process—and also the longest and most taxing stage?
a. labor b. Braxton Hicks c. crowning d. transition
Tomas has been given a diagnosis of pain disorder. His therapist wants to focus on pain behaviors and that conditions have a positive or negative effect on the behaviors. What approach will the therapist implement?
a) behavioral therapy b) operant conditioning c) biofeedback d) psychotherapy