Brenda is a participant in an experiment. She is told to watch a series of lights and to identify which one is the brightest. It is likely that Brenda is participating in a(n) ________________ experiment
A) psychophysics
B) anthropometric
C) phrenology
D) eugenics
Answer: A
Rationale: Psychophysics is the study of the relationship between the physical world and the mental representation of that world. In this example, the experimenters appear to be studying how different physical stimuli (the lights) are perceived. The experiment is unlikely to involve anthropometry or phrenology, which both involve relating physical features to psychological characteristics, or eugenics, which is the discredited belief in the genetic superiority of some individuals.
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