Rates of obesity are higher among members of which social class?
a. upper
b. middle
c. lower
d. There is no difference in rates of obesity based on social class.
C
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A farmer always uses the same squeaky wheelbarrow to carry feed out to his sheep. When he does this, the sheep head for the feed trough in anticipation. In this example, noise of the wheelbarrow would be a(n):
A. unconditioned stimulus B. unconditioned response C. conditioned stimulus D. conditioned response
Infants suffer their peak level of distress from stranger anxiety at the average age of about ____ months
a. three b. six c. nine d. 15
Which one of the following types of psychologists is most likely to use behavior rating scales?
a. Forensic psychologists b. Educational psychologists c. Physiological psychologists d. Child psychologists
Which of the following most directly controls bodily reflexes?
a. peripheral nervous system b. brainstem c. spinal cord d. hindbrain