r. But since such students are most likely to advance economically if they eed in higher education,colleges and universities have pushed for decades to recruit more of them. This has created “a paradox” in that recruiting first-generation students,but then watching many of them fail,means that higher education has “continued to reproduce and widen,rather than close” achievement gap based on social class, according to the depressing beginning of a paper ing in the journal Psychological Science. РBut the article is actually quite optimistic,as it outlines a potential solution to this problem, suggesting that an approach(which involves a one-hour, next-to-no-cost program)can close 63 percent of the achievement gap(measured by such factors as grades)between first-generation and other students.