Which statement identifies a potential problem with Internet surveys?
a. They tend to be costly and inefficient
b. They limit flexibility in presenting questions and response alternatives.
c. It can be difficult to find a group of participants who share a specific interest.
d. It can be difficult to control or even know the composition of the sample.
d
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The correlation between amount of caffeine consumed and nervous behavior was found to be .30. What conclusion can be drawn from this finding?
a. 30% of the of the variability in nervous behavior can be accounted for by variability in amount of caffeine consumed. b. 9% of the of the variability in nervous behavior can be accounted for by variability in amount of caffeine consumed. c. The correlation between nervous behavior and caffeine consumption is not significant d. Consuming caffeine causes nervousness.
Which of the following statements concerning psychological research is TRUE?
a. The use of the EEG showed that some people never dream. b. To conduct psychological research, one must systematically gather data. c. The research method is rarely used in psychological research. d. Ethical concerns in psychological research are rarely an issue.
Professor Deshon is lecturing about ESPSs and IPSPs. He tells the class that in order to produce an IPSP, there needs to be an increase is permeability for _____.
A. chloride B. calcium C. sodium D. carbon
At eighteen months, Anna was classified as securely attached. Now that she is a preschooler, Anna is probably
a. shy and withdrawn. c. outgoing and competent. b. clingy and dependent. d. insecurely attached.