Regarding Ecstasy use, which of the following statements is FALSE?
a. Ecstasy causes brain cells to release extra amounts of acetylcholine.
b. Ecstasy diminishes sexual performance, impairing erections and retarding orgasms.
c. Ecstasy intensifies the impact of the music at "rave" parties, overstimulating the brain and resulting in a "rebound" depression.
d. Ecstasy use in North America has declined slightly from a peak around 2002.
A
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A(n) allows an interviewer to ask any question that comes to mind in any order
a. structured interview b. unstructured interview c. case study d. experimental analysis
A psychologist believes that increased TV watching by young children is responsible for increased neuroticism when these children enter elementary school. To explore her hypothesis, she records the TV viewing habits of toddlers in a suburban community. She examines these habits again when the children enter kindergarten and again every year until the children enter the sixth grade. Which research strategy is the investigator using?
A. retrospective B. longitudinal C. experimental D. cross-sectional
In some cultures, people endure tattooing, stretching, cutting, and burning with little apparent pain. This phenomenon can be explained by
a. a congenital insensitivity to pain. b. psychological factors, such as anxiety reduction, control, and attention. c. the increase in unpleasant emotions that result in enhanced resilience. d. their tendency to focus directly on the pain being experienced.
In psychological investigations, most of the "error variance" in a study typically comes from
a. imprecise measurements made by the experimenter. b. systematic, explained variance from the independent variable. c. individual differences among the subjects. d. computer errors that occur in the data analysis.