208)
If a researcher is conducting an experiment, the researcher will . A) measure two or more variables without altering any of the variables AND observe behaviour in the setting where it naturally occurs B) alter the dependent variable and assess its effect on the independent variable C) alter the independent variable and assess its effect on the dependent variable D) observe behaviour in the setting where it naturally occurs E) measure two or more variables without altering any of the variables Answer: C
209)
Dr. Sandeep wants to study the spending habits in London residents. To study this, he hands out questionnaires about spending habits to all of the students in his introductory psychology class. Dr. Sandeep's data will be because . A) valid; he used random sampling B) invalid; he did not use a representative sample C) valid; he included all of his students in his sample D) invalid; there is no control group E) invalid; all of his students were residents of London Answer: B
210)
Random assignment is important in research because A) it eliminates the placebo effect. B) it ensures that samples are representative of the population being studied. C) it eliminates experimenter expectancy effects. D) it ensures that the study can be replicated. E) it balances differences between participants across experimental groups. Answer: E
211)
To say that a study has high external validity means that A) the dependent variable caused the effects of the independent variable in the study. B) the results of the study are generalizable. C) the study is not confounded. D) the hypothesis is clearly supported by the findings of the study. E) the results of the study are reliable over time. Answer: B
212)
The tendency to respond in what is believed to be a socially appropriate manner rather than according to how a person actually thinks, feels, or behaves is called the _ , and it is most problematic with . A) social acceptability bias; self-report measures B) social acceptability bias; reports by others C) social desirability bias; physiological measures D) social desirability bias; self-report measures E) social expectancy bias; behavioral observations Answer: D
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