Eric is admitted to a hospital to undergo a surgery for hernia. He is unable to discern the expertise of his surgeon before the surgery nor evaluate the quality of the service after the surgery. In this case, the expertise of Eric's surgeon is an example of a$($n$)\_\_\_\_\_$ attribute.

Eric is admitted to a hospital to undergo a surgery for hernia. He is unable to discern the expertise of his surgeon before the surgery nor evaluate the quality of the service after the surgery. In this case, the expertise of Eric's surgeon is an example of a$($n$)\_\_\_\_\_$ attribute.

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experience

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credence