The characteristic that differentiates experimental research from other approaches is
a. the way researchers observe behavior.
b. the type of data the researchers collect.
c. the complexity of the data collected.
d. the amount of control researchers have over variables.
d
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The independent variables in the study by Kenrick and colleagues on "computer dating"
included the a. participants' ratings of the attractiveness of the people in the photographs. b. presence or absence of a physically attractive confederate. c. participants' rankings of the desirability of a potential mate's characteristics. d. photographs of people of different levels of physical attractiveness and the descriptions of these people as being eitherhigh or low in dominance. e. participants' evaluations of their current dating relationship.
Collectively, the rods and cones are known as:
a. Ganglion cells b. The fovea c. Photoreceptors d. The retina