Researchers are training pigeons to peck to receive food pellets when they see gratings but withhold their pecks to receive pellets when they see a uniform gray circle. This procedure will help the researchers determine
a. whether or not pigeons can see color
b. whether or not pigeons have feature detectors.
c. how much contrast a grating must have before it looks different from the gray circle to a pigeon.
d. whether pigeons are intelligent enough to learn to peck one stimulus rather than another.
c
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Consider the research on the brain sizes of different animals. According to this research, (domesticated) dogs should have ____ than (wild, pack-living) wolves after adjustment for differences in body weight
a. larger frontal lobes b. larger left hemispheres c. larger brains in general d. smaller brains in general
Explain what is meant by the statement: The concept "cat" is the answer to the question "What is a cat?"
What will be an ideal response?
Who is more likely to engage in postformal reasoning?
A. students from cultures such as China, who are guided by elders in terms of decision-making. B. students in graduate school who are challenged to think both philosophically and practically C. students with older siblings that model different forms of reasoning D. students in a high school with a focus on reading, writing, science, and math.
What do having a baby, getting a new job, moving, and taking a test all have in common? They are all ____
a. ?positive b. ?negative c. ?stressful d. ?hassles