Juan, a psychologist, is studying participants' perceptions of the attractiveness of several deodorants in a laboratory. However, as he conducts his study, people are cooking their lunches in the cafeteria nearby, and the smells of onions and fish are making their way into the laboratory. Juan should stop his experiment for the day because the odors of the food is most likely a
A. placebo.
B. nocebo.
C. control variable.
D. confounding variable.
Answer: D
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When children watch television, they
a. appear mesmerized by the moving light and sound. b. rarely look at the screen for more than a minute at a time. c. tend to pay more attention to visual stimuli than auditory ones. d. rarely engage in another activity at the same time. e. tend to read less the older they get.
Your friend wishes to stop his child from throwing temper tantrums and decides to use extinction. What would you tell him to expect?
a) Extinction will not stop tantrums. b) The child will immediately stop throwing tantrums. c) The tantrums will occur in a random pattern until fatigue sets in. d) The child will increase the tantrums immediately and then gradually stop them.
The early behavioral genetics research on problem behavior tended to focus on
a. alcoholism and schizophrenia. b. schizophrenia and bipolar disorder. c. depression and alcoholism. d. bipolar disorder and alcoholism.
Which of the following refers to phagocytosis?
A. It is a lasting process used primarily for the generation of large amounts of extracellular fluids in the cell membrane. B. It is a process by which tissues are restored following injury. C. It is a durable cellular process meant to release antimicrobial granulocytes. D. It is a process by which a white blood cell engulfs a substance and digests or moves it to a place where it will be destroyed.