A two-decade study has found that undergraduates participating in two National Institutes of Health diversity programs were twice as likely to earn a Ph.D. as their peers. The research, published recently, provides some of the strongest evidence to date that targeted efforts can broaden the scientific workforce.
The programs, which provide research training and mentorship to students from underrepresented backgrounds, have faced political headwinds in recent years. Their termination by the NIH has sparked debate over the agency's commitment to equity in science, even as this new data underscores their efficacy.
According to the study, the initiative doubled the odds of Ph.D. attainment among participants. Researchers tracked thousands of students over 20 years, comparing outcomes against a control group with similar academic profiles. The effect was consistent across gender and racial subgroups.
Critics argue the programs may not address deeper structural barriers in academia, such as funding disparities or bias in graduate admissions. Some also question whether the results can be replicated at scale, given the intensive mentoring involved.
"These are impressive numbers," one epidemiologist noted, adding that the findings should inform future policy decisions. Whether the NIH restores similar initiatives remains uncertain.