A researcher is evaluating the changes in performance that occur during a six-week training program. Participants are observed at the beginning and at the end of the program and the researcher rates each individual's level of performance. When the researcher's standards for rating performance change from the first observation to the last, then the internal validity of the study is threatened by
____.
a. history
b. instrumentation
c. maturation
d. statistical regression
b
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Beverly changed her hair color and some of her friends laughed at her. Their behavior is an example of
a. extinction. b. negative reinforcement. c. positive reinforcement. d. punishment.
Regarding opioids, which of the following statements is FALSE?
a. Users often liken the rush of heroin to the pleasure of orgasm. b. Withdrawal from heroin involves severe symptoms. c. Opioids legitimately prescribed as painkillers, like OxyContin, are often used illegally. d. Opioids stimulate brain centers that produce pleasurable sensations. e. Opioids relieve pain while also increasing the activity of the central nervous system.
Armitage and Conner’s (2001) meta-analysis of 185 studies found strong support for which model below?
a. Theory of Reasoned Action b. Theory of Planned Behavior c. Composite Model d. MODE Model
A person who is absolutely convinced, against all evidence, that his or her spouse is having an affair is
a. a classic example of a possessive personality. b. suffering from paranoid schizophrenia. c. manifesting a jealous type delusion. d. manifesting an erotomanic type delusion.