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Emphasizes the two most common measures that are defined, as career successes herein are higher earnings and job advancement. Uses various studies to emphasize that generally, higher grades produced higher future earnings. Uses an explanatory table to show how undergraduates in general increased their earnings (based on information from 1994‐97). Concludes that the proof seems reasonable and creditable, but not certain in the three cases noted.
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Afarian et al. (2003) studied this question.
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