Ecological validity can be threatened by:
a. experimenter bias.
b. the Hawthorne effect.
c. demand characteristics.
d. all of these
D
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The behavior of the second highest bidder in Tiger's (1980) dollar auction demonstrates
a. effective use of the sunk cost principle. b. that people do not handle money as carefully as professionals do. c. escalation of a counterproductive endeavor. d. the fact that people take greater risks when gains are at stake.
Which of the following is a precipitating event that might lead to adolescent suicide?
a. A humiliating experience b. A notable failure c. Rejection by a romantic partner d. All of these
Roland is hungry, so he goes to McFood Place. But when he gets in line, he realizes he doesn’t have any money. He sees a woman set her French fries down on a table, then walk away. Roland quickly grabs the fries and left. According to Freud, Roland's actions are driven by his ____, which operates on the ____ principle
a. ?id; pleasure b. ?id; reality c. ?ego; pleasure d. ?ego; reality
Researchers showed participants a photo of their loved one
and asked them to think about a pleasurable event that had occurred when they were together. As a control, they were shown a photo of a neutral person and asked to think about pleasurable events with that person. When viewing the loved one and thinking about pleasant interactions with them, regions of the brain that are rich in _______ were activated. a. AcH receptors b. dopamine receptors c. gabba receptors d. GAMA receptors