Related Experiment Video
Updated: Jul 13, 2026

10:00
Measurement of Lifespan in Drosophila melanogaster
Published on: January 7, 2013
Politics and the life cycle
1Department of Political Science, University of Michigan, Ann Arbor, MI 48106, USA. drkinder@umich.edu
Summary
Political science research initially focused on childhood, but this study examines political development across the entire lifespan. It explores partisanship, generational shifts, adult transitions, and the evolution of political engagement throughout life.
Area of Science:
- Political Science
- Developmental Psychology
- Sociology
Background:
- Early political science research emphasized childhood and family influence on political development.
- This perspective, exemplified by Tocqueville, suggested adult political identity is formed in early life.
Purpose of the Study:
- To broaden the understanding of political development beyond childhood.
- To analyze political change and continuity across the entire human life cycle.
Main Methods:
- Longitudinal analysis of political socialization.
- Examination of life-course transitions and their political consequences.
- Historical and theoretical review of political development.
Main Results:
- Partisanship and essentialist beliefs emerge early but evolve.
- Generational cohorts exhibit distinct political trajectories.
- Significant political transitions occur during adulthood.
- Political engagement waxes and wanes throughout life.
Conclusions:
- Political development is a dynamic, lifelong process, not solely determined by early childhood experiences.
- Understanding the full life cycle is crucial for comprehending political behavior and societal change.
Related Concept Videos
Life Histories
Constrained by limited energy and resources, organisms must compromise between offspring quantity and parental investment. This trade-off is represented by two primary reproductive strategies; K-strategists produce few offspring but provide substantial parental support, whereas r-strategists produce much progeny that receives little care. These strategies are related to an organism’s survival likelihood across its lifespan, which is represented by a survivorship curve. Three general types of...
Longitudinal Research
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
The Sense of Self: Reflected Self-Appraisal and Social Comparison
According to Charles Cooley, we base our image on what we think other people see (Cooley 1902). We imagine how we must appear to others, then react to this speculation. We don certain clothes, prepare our hair in a particular manner, wear makeup, use cologne, and the like—all with the notion that our presentation of ourselves is going to affect how others perceive us. We expect a certain reaction, and, if lucky, we get the one we desire and feel good about it. But more than that, Cooley...
Longitudinal Studies
Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
Life Tables
A life table is a statistical tool that summarizes the mortality and survival patterns of a population, providing detailed insights into the likelihood of survival or death across different age intervals within a cohort. By organizing data on survival probabilities and mortality rates, life tables offer a clear snapshot of population dynamics over time. They are extensively used in demography, public health, actuarial science, and ecology to analyze life expectancy, design health interventions,...
Applications of Life Tables
Life tables are versatile across various fields, providing a quantitative basis for analyzing mortality and survival rates. Whether used by demographers, actuaries, epidemiologists, or sociologists, life tables offer valuable insights into the dynamics of life and death, facilitating informed decisions in public health, insurance, conservation, and beyond. Their broad applicability highlights the interconnectedness of demographic data with practical outcomes in everyday life and strategic...

