After you have watched the falling of the water in a waterfall for about a minute, if you look at a blank surface, such as a white wall, you will get a sense of ______.
A. motion going upward, in the opposite direction of the falling water
B. motion going downward, in the same direction as the falling water
C. akinetopsia, seeing movement upward as separate images
D. akinetopsia, seeing movement downward as blurred images
Answer: A
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Three preschool children are working to complete puzzles, and they all take turns fitting in the pieces. This is an example of __________.
A. cooperative play B. associative play C. parallel play D. functional play
Children's earliest friendships tend to be activity-based, whereas in early adolescence friendships are more based on: a. Affective qualities. b. Physical qualities
c. Social status. d. Sexual orientation.
Cathy and Sherri must finish all of their vegetables before they can have dessert. Cathy complains that Sherri doesn’t have as much to finish as she does, even though both girls actually have the same amount on their plate (Cathy's vegetables were just more spread out). Cathy's error stems from a failure to understand the concept of ____.?
a. ?conservation b. ?complementarity c. ?concrete operations d. ?object permanence
Which of the following best explains why REM sleep is considered to be “paradoxical”?
A. Because during REM sleep, the eyes are moving but the brain is sleeping B. Because during REM sleep, the brain is the most active while the body is the least active C. Because during REM sleep, the mind is as alert as wakeful periods but the body is resting D. Because during REM sleep, the mind is dreaming but people have difficulty remembering their dreams