Social Mobility: Intergenerational and Intragenerational (10A)

The study of social mobility arose from broader sociological inquiries into the mechanisms that produce and reproduce social inequality. Classical theorists such as Karl Marx and Max Weber observed that societies are organized into hierarchical strata defined by wealth, power, and prestige, but it was not until the twentieth century that systematic empirical research began to quantify the degree to which individuals could move between these strata. The central question driving mobility research has always been fundamentally tied to the concept of meritocracy: does an individual's position in the social hierarchy reflect innate talent and effort, or does it primarily mirror the circumstances of birth? This question carries profound implications for public health, policy, and the psychological well-being of populations, making it a core area of inquiry for the MCAT's behavioral and social science foundations.

This historical trajectory reveals an ongoing tension between structural determinism and individual agency. Understanding social mobility requires differentiating between movement that occurs across generations (intergenerational) and movement that occurs within a single lifetime (intragenerational), as well as whether that movement is upward, downward, or lateral. These distinctions form the backbone of MCAT-testable content on social stratification and health disparities.

Social mobility refers to the movement of individuals, families, or groups through a system of social hierarchy or stratification. To analyze mobility rigorously, sociologists have developed a set of interrelated concepts that capture the direction, scope, and temporal frame of movement within the stratification system. Mastery of these definitions is essential for the MCAT, as questions frequently require distinguishing among closely related mobility types.

The diagram above encapsulates the essential distinctions tested on the MCAT. Note that vertical mobility—whether intergenerational or intragenerational—can be either upward (green arrows) or downward (red arrows), while horizontal mobility (amber arrows) represents a lateral shift that does not change one's relative rank. An MCAT passage might describe a family scenario and ask you to classify the type of mobility depicted; being able to rapidly distinguish temporal frame (across generations versus within a lifetime) from direction (up, down, or lateral) is the key analytical skill.

While social mobility is not typically quantified with formal equations in the MCAT context, understanding the causal mechanisms that facilitate or constrain mobility is essential. The Blau-Duncan status attainment model provides a useful conceptual framework: an individual's achieved occupational status is predicted by the interplay of parental education, parental occupation, the individual's own education, and their first job. This path model was later expanded by William Sewell and colleagues to include social-psychological variables such as educational aspirations, significant others' influence, and academic performance—collectively known as the Wisconsin model of status attainment.

Structural Determinants

• Economic restructuring: Shifts from manufacturing to service and knowledge economies create new occupational categories, producing structural mobility that can lift entire cohorts independent of individual effort.
• Education systems: Access to quality education—from primary schooling through graduate and professional training—is the single strongest predictor of upward intergenerational mobility in modern industrial societies.
• Social capital and networks: Pierre Bourdieu's concept of social capital highlights how relationships, mentorship, and access to information facilitate or impede mobility, often reproducing class advantages across generations.
• Institutional discrimination: Race, ethnicity, gender, and immigration status interact with structural barriers—such as residential segregation, labor market discrimination, and differential access to healthcare—to systematically constrain mobility for marginalized groups.

Cultural and Psychological Determinants

Bourdieu's concept of cultural capital—the knowledge, skills, tastes, and dispositions transmitted within families—explains how children from higher-status families acquire advantages that translate into academic achievement and professional success, even absent explicit financial transfers. Similarly, stereotype threat and self-fulfilling prophecy can constrain the aspirations and performance of individuals from stigmatized groups, reducing their likelihood of upward mobility. The locus of control—whether individuals perceive their outcomes as determined by internal effort or external forces—also mediates the psychological experience of mobility, influencing health behaviors and stress responses that are directly relevant to MCAT content on health disparities.

Societies vary dramatically in the extent to which they permit social mobility. This variation is conceptualized along a continuum from open stratification systems (class-based societies where achieved status matters most) to closed stratification systems (caste-based or estate-based systems where ascribed status is determinative). In a perfectly open system, the correlation between parents' and children's social positions would be zero; in a perfectly closed system, it would be one. No real society occupies either extreme, but the degree of openness has profound implications for health outcomes, psychological well-being, and the distribution of disease across populations.

MCAT passages frequently describe a person's or family's trajectory and ask you to identify the type of social mobility depicted. The following worked example walks through the analytical process step by step.

The relationship between social mobility and health is bidirectional and complex, constituting a critical nexus for MCAT questions linking sociology to biology. The following table summarizes the major pathways through which mobility affects health and through which health affects mobility.

The study of social mobility connects to several advanced theoretical frameworks that the MCAT may reference indirectly through passage-based questions. Understanding how mobility research sits within the broader landscape of stratification theory strengthens your ability to reason through novel stimuli.

For MCAT purposes, you should be prepared to analyze passage-based data on mobility through multiple theoretical lenses. A functionalist interpretation might emphasize how educational attainment sorts individuals into appropriate roles, while a conflict-theory interpretation of the same data would highlight how class-based advantages in cultural capital, legacy admissions, and network access reproduce existing hierarchies. The concept of meritocracy itself is contested: functionalists see it as a descriptive reality, while conflict theorists view it as an ideology that legitimizes inequality by attributing structural disadvantage to individual failure. This tension directly informs questions about how social stratification produces health disparities—a central concern of MCAT Foundational Concept 10.