Possible physical and/or psychological changes that occur in the participants over the period of the study refers to this type of threat to internal validity:
a. maturation
b. history
c. testing
d. instrumentation
a. maturation
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Consulting with a supervisor is important in order to:
A. help make a truly informed best decision about the matter at hand B. protect yourself in the case of a bad event happening. C. help make a truly informed best decision about the matter at hand and to protect yourself in the case of a bad event happening. D. Protect your supervisor from a lawsuit
________________is a person’s position in economic hierarchy determined by an individual’s or family’s economic and social position based on income, education, and occupation.
a. Social economic status (SES) b. Classism c. Social class d. Social position
Above all other drugs, _______________ is the most common cause of malformation to the embryo or fetus in pregnancy
(a) Alcohol (b) Tobacco (c) Nicotine (d) Cocaine
All of the following are symptoms of the manic phase of bipolar mood disorder EXCEPT:
a. deflated self-esteem. b. euphoria. c. high levels of verbal output. d. pressured speech.