Miller Et Al

Multiple Choice

Miller et al.(2007) found that exotic dancers received an average of $15 more in tips per hour on the days on which they were at their highest fertility levels compared with days when they were at their lowest levels.Compared with laboratory experiments on evolutionary psychology,what advantages does this study have?

A) It maintained some level of precision while greatly increasing both forms of generalizability.
B) The use of tipping as a dependent variable increased levels of internal validity.
C) It allowed researchers to control the independent variable in ways that were impossible in the lab.
D) It disproved previous findings on the topic that were conducted in the laboratory.