By Jason L. Riley. Excerpts:
"Peter Arcidiacono, an economist at Duke University, and two of his colleagues, Ken Spenner and Esteban Aucejo, published an academic paper in 2012 on how racial preferences affect the number of black science and economics majors at elite universities. It’s the type of research the Supreme Court might keep in mind now that it has agreed to hear cases challenging the use of race-conscious admissions policies at Harvard and the University of North Carolina.
Mr. Arcidiacono and his co-authors found that among incoming freshmen at Duke who reported a major, more than 76% of black males intended to major in economics or the hard sciences, a higher percentage than among white males. Yet only 35% of black male students went on to obtain a degree in one of these majors, a drop of 41 percentage points. In contrast, the difference between initial and finishing proportions among white males was only 5 percentage points.
Remarkably, the study found that this gap in attrition rates could be accounted for by looking at entry-level tests scores among students. Like other selective schools, Duke admits some black students with lower SAT scores on average than those of white applicants, but other black students who are admitted have academic credentials that match those of the typical Duke freshman. Not surprisingly, those black students with test scores similar to the white average were no more likely than white students to switch out of the more challenging engineering, economics and natural-science majors.
The Duke findings are important because they demonstrate that racial preferences in college admissions are not only legally dubious but also counterproductive. Students who would likely thrive at less selective institutions are struggling at elite schools, where they are admitted for aesthetic purposes. After the University of California system ended its race-conscious admissions policies in the 1990s, black students were steered into schools that better matched their academic preparation, and black graduation rates rose. Proponents insist that no black middle class would exist in the absence of affirmative action, yet the track record suggests that racial preferences have resulted in fewer architects and scientists and physicians than would have existed in the absence of these policies.
Nor should racial preferences be credited with creating the black middle class. “There was a substantial black middle class already in existence by the end of the 1960s,” wrote Stephan and Abigail Thernstrom in their landmark 1997 study, “America in Black and White.” That middle class “has continued to grow, but not at a more rapid pace than in the preceding three decades, despite a common misimpression to the contrary.”"
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