Question cats-c
Cats can judge unseen people’s positions in space by the sound of their voices and thus react with surprise when the same person calls to them from two different loions in a short span of time. Saho Takagi and colleagues reached this conclusion by measuring s’ levels of surprise based on their ear and head movements while the s heard recordings of their owners’ voices from two speakers spaced far apart. Cats exhibited a low level of surprise when owners’ voices were played twice from the same speaker, but they showed a high level of surprise when the voice was played once each from the two different speakers.
According to the text, how did the researchers determine the level of surprise displayed by the s in the study?
They watched how each moved its ears and head.
They examined how each reacted to the voice of a stranger.
They studied how each physically interacted with its owner.
They tracked how each moved around the room.
Cats can judge unseen people’s positions in space by the sound of their voices and thus
Hard-difficulty · SAT Reading & Writing · Central Ideas and Details — Key supporting details. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice A is the best answer because it explains how the researchers determined the level of surprise displayed by the s in the study. The text states that Saho Takagi and colleagues played recordings of the voice of each ’s owner and measured how surprised the was by the recording based on how it moved its ears and head.
Choice B is incorrect because, as the text explains, the recordings played for each in the study were of the voice of the ’s owner, not a stranger’s voice. Choice C is incorrect because the text explains that during the study, the s didn’t interact directly with their owners; instead, the s listened to recordings of their owners’ voices. Choice D is incorrect because the text doesn’t indie that the researchers monitored the s’ movement around the room in which the study was conducted.
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