The Study in Different Species
The visual cliff was not only tested on human infants, it was applied to other species as well. A few of these species included rats, cats, turtles, cows, and chickens.
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Famous quotes containing the words study and/or species:
“I urge you to spend your youth profitably in study and virtue.... In brief, let me see in you an abyss of knowledge.”
—François Rabelais (1494–1553)
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—James Boswell (1740–1795)