Which of the following represents the best operational definition of hunger?
a. That empty, gnawing feeling you get in your stomach
b. Not having eaten for 18 hours
c. The number of stomach growls reported in a ten-minute time interval
d. All of the above
b
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Which of the following is not directly involved in scientific reasoning?
a. Formulating a hypothesis c. Debriefing participants b. Designing experiments d. Determining the validity of the hypothesis
Which of the following is considered a dysfunctional defensive response to stress?
a) sublimation b) defensive realism c) splitting d) suppression
Individuals with high scores for aggression more often have a particular variant of the ______ allele, which regulates ______.
A. MAOA; serotonin metabolism B. MA-L; dopamine turnover C. MAA; serotonin receptors D. MAOA; dopamine receptors
Emily's nurse gives her one star for every time that she takes her medicine on time. Ten stars can be exchanged for a toy from the hospital goodie box. This method of contingency management is known as
A. systematic desensitization. B. negative reinforcement. C. participant modeling. D. token economy.