Free SAT Practice Question

Question 1 of 1
ID: DSAT-RW-29
Section: Digital SAT Reading & Writing (RW) - Broadly Reading - Information and Ideas
Topic: Inferences
Difficulty level: Medium

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In a study of the problem-solving abilities of New Caledonian crows (Corvus moneduloides), researchers failed to control for the mechanical difficulty of the devices used. Some birds were given tasks requiring little force or dexterity, such as lifting a light lid to reach food; others faced physically demanding setups, such as pulling up a weighted bucket by a knotted string. Performances on these unequal tasks were judged by the same criteria. The results of the study, therefore, __________

Which choice most logically completes the text?

Acould suggest differences in cognitive ability among the crows even though such differences may not actually exist.

Bare useful for identifying tasks that the crows lack the cognitive capacity to perform, but not for identifying tasks that the crows can perform.

Cshould not be taken as indicative of the cognitive abilities of any bird species other than Corvus moneduloides.

Dreveal more about the crows' cognitive abilities when solving artificial problems than when solving problems encountered in the wild.

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