Illicit use of which of the following drugs has become widespread, especially by people seeking to stay awake and by those who think these drugs can improve their mental or physical performance?
a. mescaline and psilocybin
b. GHB and Rohypnol
c. amphetamines
d. sedative-hypnotics
ANSWER: c
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To discover whether residents of a city are in favor of building a new sports stadium, the team's owner randomly selected and interviewed 500 of the city's 500,000 residents. In this instance, the 500 people that the owner interviewed would be
a. a biased sample. b. a population. c. the dependent variable. d. a representative sample.
For a repeated-measures study, if other factors are held constant, then an increase in the sample variance will decrease measures of effect size
Indicate whether the statement is true or false
Ideational fluency refers to one's ability to
a. pick the most appropriate idea to solve a problem. b. quickly recall synonyms when given a word. c. solve a problem quickly and accurately. d. generate many interesting, novel ideas.
Larissa and Wei are attending a friend's wedding. At one point, Larissa feels trapped in conversation with someone she dislikes. She looks at Wei, who immediately understands how she feels. He interrupts the conversation, saying "Hey, I need your help with something!", giving Larissa an excuse to leave. In terms of romantic relationships, the best explanation for this exchange is that
A. Larissa and Wei have been dating for a long time. B. Larissa and Wei's relationship is high on the passion dimension. C. Larissa made a bid for attention, which was accepted by Wei. D. Larissa and Wei's attitudes have become similar, including disliking that person.