To determine whether Drug Z lowers blood pressure, it is necessary to demonstrate that an experimental group, which has been given Drug Z, will have lower blood pressure than a comparison group, which has been given
A) ?a higher dose of Drug Z.
B) ?a lower dose of Drug Z.
C) ?a placebo treatment.
D) ?no treatment at all.
C
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Katy has red hair. When other people see Katy, they assume she has a temper. This illustrates:
a. impression management c. conformity b. a stereotype d. social characteristics
If a researcher watches one-week-old babies and records how many times they open and close their eyes while lying in their cribs, he is most likely using:
the case-study method. a controlled experiment. cross-sectional research. scientific observation.
The best example of a recall task would be:
a. selecting the same type of pizza that you ordered the last time you had pizza b. answering a multiple choice question like this one c. looking at a picture and identifying the people who you had met at a party and those who were not there d. remembering where you parked your car in the parking lot at the shopping center
If shoe size and IQ are negatively correlated, which of the following is true?
a. People with large feet tend to have high IQs. b. People with small feet tend to have high IQs. c. People with small feet tend to have low IQs. d. IQ is unpredictable based on a person's shoe size.