Which type of study mostly takes place over a relatively short period, a year or less, although some studies have followed their samples over an entire lifetime, from infancy to old age?
a) longitudinal
b) cross-sectional
c) survey
d) cohort
Answer: a
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In describing memory, psychologists refer to the momentary sensory memory of a visual stimulus as:
a. implicit memory b. iconic memory c. echoic memory d. a flashbulb memory
A categorical variable for which each value represents a discrete category is a _____ variable
a. qualitative b. quantitative c. continuous d. class interval
In what way do morphine and other opiates produce pain relief?
A. by inhibiting the release of substance P B. by mimicking the effects of endorphins C. by preventing sodium from crossing the membrane D. by altering blood flow to various parts of the nervous system
Which of the following statements regarding bondage is FALSE?
A) ?Bondage is a form of masochistic behavior. B) ?Bondage may involve one person who "administers discipline" to the other. C) ?Less than 5% of women report engaging in this practice. D) ?Bondage involves being tied up, spanked, or whipped.