Efforts to expand diversity in education and the workforce, through affirmative action, Diversity, Equity, and Inclusion (DEI) initiatives, and policies such as the Rooney Rule, are grounded in a clear objective: to broaden access for groups historically excluded from opportunity. In many settings, these efforts have succeeded. A substantial body of evidence shows that such policies increase representation at the point of entry, particularly in selective institutions and competitive professional pathways.
Access, however, is not the same as advancement. The central question is whether these policies produce durable gains in retention, promotion, leadership, and professional legitimacy, or whether they introduce countervailing effects that limit their impact.
The empirical record is mixed. When affirmative action policies are removed, enrollment of underrepresented students in selective institutions declines, with downstream reductions in educational attainment and earnings. These findings affirm that access matters. Yet gains at entry do not reliably translate into proportional gains in advancement. Structural barriers persist beyond admission or hiring, and representation at the front end has not consistently produced equity in outcomes.
The impact of perception on achievement
A less examined but consequential factor is perception. Work in social psychology and organizational behavior demonstrates that diversity policies can alter how achievement is interpreted. Individuals from underrepresented groups may be viewed, accurately or not, as beneficiaries of policy rather than merit, a phenomenon described as attributional ambiguity or competence stigma. These perceptions shape peer evaluation, professional credibility, and, at times, self-assessment. Even when selection criteria remain unchanged, the presence of such policies can shift how success is judged.
This dynamic extends beyond academic literature into public discourse. Consider Markwayne Mullin, who entered a family-owned plumbing business after high school, developed expertise through mentorship and experience, and rose to national political office. His trajectory is widely framed as a product of individual effort and opportunity, an example of American upward mobility. By contrast, Ketanji Brown Jackson, a Justice of the United States Supreme Court with extensive academic and judicial credentials, has been characterized in some quarters as a beneficiary of diversity initiatives. The contrast is instructive. One pathway, supported by inherited opportunity and mentorship, is rarely described as preferential. The other, despite rigorous credentials, is more likely to be scrutinized through the lens of policy. Such asymmetry reflects a broader pattern: Diversity initiatives can make certain forms of advantage more visible and contestable, while leaving others, family networks, early exposure, and social capital, largely unexamined.
Diversity initiatives in medicine and beyond
In medicine, these questions have direct implications. Workforce diversity is associated with improved access to care for underserved populations and enhanced patient-physician concordance. Yet increasing representation alone has not resolved disparities in training environments. Underrepresented trainees report higher rates of mistreatment and discrimination, experiences associated with burnout and attrition. Expanding entry without addressing institutional climate risks limiting the durability of progress.
At the institutional level, diversity initiatives often function as signals of commitment to equity. But signaling is not structural change. Reviews of diversity training and related interventions show limited or inconsistent effects on long-term outcomes, particularly when programs are implemented as isolated measures rather than embedded reforms. Procedural interventions can improve representation under specific conditions, but their effectiveness depends on design, execution, and accountability.
A central limitation of current approaches is the emphasis on process metrics, who is admitted or hired, over outcome metrics, who advances, leads, and remains. If equity is the objective, evaluation must extend beyond entry to include retention, promotion, compensation, and leadership attainment. Without longitudinal assessment, early gains in representation risk being mistaken for durable progress.
Shifting the strategy for meaningful progress
A more effective strategy is to shift emphasis from selection to preparation. Expanding opportunity earlier in the pipeline, through education, mentorship, and transparent evaluation, addresses inequities before they require correction at the point of entry. Such an approach reduces ambiguity around merit while preserving the goal of broader access. It also aligns intervention with the sources of disparity rather than its endpoints.
The objective is not to abandon diversity initiatives but to refine them. Policies should be judged by measurable outcomes, not intentions or visibility. When poorly designed or weakly implemented, they risk introducing doubt, reinforcing stigma, and falling short of their intended effect. When aligned with structural reform and outcome-based evaluation, they can contribute to meaningful progress.
Equity requires more than access. It requires that individuals not only enter institutions, but also advance within them with legitimacy, stability, and trust. Without that progression, representation alone is an incomplete measure of success.
Christoph W. Sossou is an interventional heart failure and transplant cardiologist.
