Which of the following depth cues requires two eyes?
a. Motion parallax
b. Retinal disparity
c. Linear perspective
d. Relative size
Answer: B
Rationale: This is the difference in relative position of an object as seen by both eyes, which provides information to the brain about depth.
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In an effort to study the acquisition of speech, Dr. Verball reinforces an infant every time it makes a sound. Given this description, Dr. Verball's research method would best be described as a(n) _____ task
a. habituation b. preferential hearing c. evoked potentials d. operant conditioning
In a(n) ______, we compare scores that are related in some way, conducting the hypothesis in a very similar way to the one-sample t test.
A. post hoc design B. matched design C. pretest-posttest design D. related/paired samples t test
When Dr. Arnold says his patient displays alogia, he means that she ____
a. experiences a lack of meaningful speech b. experiences an inability to take action or become goal-oriented c. shows little or no emotional in situations that would call for strong emotional reactions d. displays emotions that are totally inappropriate to the situation
In statistics a population is
a. the entire group to which a law of nature applies. b. a subset of a group to which a law of nature applies. c. all the people in the world. d. an infinite number that cannot be counted.