A researcher was interested in the effects of mood on aggression. She decided to see how receiving an insult or a compliment affects aggression, and she measured aggression by having participants administer small shocks to another participant. The researcher found that participants in the insult condition were more aggressive than those in the compliment condition. One of her colleagues reads
about this research and voices concern that people in the insult condition may have been more naturally aggressive than people in the compliment condition, causing the differences observed by the researcher. This concern about pre-existing differences between participants in the two conditions would only be valid if participants were not
a. a representative sample of the population.
b. randomly assigned to the condition.
c. randomly selected from the population.
d. informed that they were involved in a correlational study.
b
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On average, when are people with anorexia nervosa most active?
a. On days when they socialize with others b. On days when they help with the cooking c. On cold days d. On sunny days
David had graduated and secured two job interviews. He was quite nervous and in one interview, the interview team bickered among themselves and was rude to each other. In the other, the interview team was calm, relaxed, and welcoming. When he later thought about the interviews, David described himself as feeling very tense and even frightened in the first interview, and calm and confident in the
second one. This is consistent with the idea of a. mirroring b. social facilitation c. active listening d. probing
What neurotransmitter is primarily implicated in Parkinson's disease?
a. dopamine b. glycine c. norepinephrine d. serotonin
The voluntary command Steve uses to raise his hand in class would be controlled by the __________ nervous system
a. sympathetic b. parasympathetic c. autonomic d. somatic