LifE Study

Life Paths into Early Adulthood [Lebensverläufe ins frühe Erwachsenenalter] (LifE 3G Study)

Type of project	Prospective cohort study
Location	University of Potsdam, University of Zurich, University of Innsbruck
Key people	Helmut Fend, Fred Berger, Wolfgang Lauterbach
Established	1979
Website	https://life3g.de/

History

Initiated in 1979 by educational researcher Helmut Fend at the University of Konstanz, the LifE-Study initially involved approximately 2000 children and adolescents born between 1962 and 1969 from both urban and rural regions in the German state of Hesse. Participants were surveyed annually from 1979 to 1983. The original phase included additional data collected from parents and teachers, expanding the total sample size to around 3,000 individuals.^[2]^[3]^[4]

Follow-up surveys were conducted in 2002 (participants then aged around 35), 2012 (age ~45),^[2] and 2024 (age ~57).^[5] Over time, the study has expanded to include the children of the original participants, creating a multi-generational dataset. It thus addresses research questions regarding continuity and change across generations, educational and occupational trajectories, family relationships, personality development, health outcomes, and social integration.

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Methodology and funding

The study employs rigorous methodological standards including standardized questionnaires, structured interviews, and systematic tracking of participants to minimize attrition. Participation rates remained high through subsequent waves, with approximately 80% of original participants reached again in 2024. Comparisons with external datasets such as the German Socio-Economic Panel (SOEP) and the German Microcensus have been conducted to assess representativeness.^[6]^[7]

Institutionally, the LifE-Study is a collaborative project involving several academic institutions, notably the University of Potsdam, the University of Zurich, and the University of Innsbruck. Funding has consistently been provided by research bodies such as the German Research Foundation (DFG), the Austrian Science Fund (FWF), and the Swiss National Science Foundation (SNF).

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Re-using the data

Data from the LifE-Study have been utilized in numerous peer-reviewed publications within international journals, including Developmental Psychology and the Journal of Personality and Social Psychology, as well as leading German educational journals. Independent evaluations have highlighted the value of the study's extensive longitudinal data, particularly for investigating developmental patterns across multiple life stages and generations.

Data from earlier waves have been made available through repositories such as GESIS (Leibniz Institute for the Social Sciences), enabling researchers to conduct independent analyses and verify findings.

Results

Summarize

Perspective

The LifE-Study is a resource for longitudinal research on education, family sociology, developmental psychology, and related disciplines. Its findings demonstrate early and reliable predictability of educational attainment and career trajectories from age twelve onward.^[8] Importantly, the study validates the meritocratic function of educational systems, particularly highlighting academic performance as crucial for highly gifted students from lower social classes. Conversely, for students from higher social classes, career outcomes are less dependend on cognitive competencies and more by social background.

The LifE Study also examined the impact of school tracking systems, showing that integrated schools did not significantly reduce educational inequality compared to tracked schools.^[9]^[10] Additionally, gender disparities were observed in educational and career trajectories, with pronounced income and status differences between men and women, especially after child-rearing years.^[11] The German vocational system effectively provides qualifications early in life but restricts further educational advancement, unlike more permeable systems found in countries such as Canada.^[12]^[13]

Social relationships, another central area explored, exhibit significant long-term continuity and predictability. Early family relationship quality and adolescent friendships strongly influence adult romantic^[14]^[15] and parental relationships,^[16] psychological well-being, emotional stability, and life satisfaction,^[17] outweighing educational and career trajectories in impact. Additionally, the study reveals gender-specific relationship patterns,^[18]^[19]^[20] notably highlighting the enduring closeness of mother-daughter relationships.^[21]

In terms of intergenerational transmission, family and schooling profoundly shape cultural, religious, and political orientations.^[22]^[23] Surprisingly, parental influence remains highly significant, with many individuals closely adhering to their parents' orientations into adulthood.^[24] Schools primarily foster refined cultural orientations absent from home environments, while religious beliefs predominantly stem from parental models. Effective familial communication strongly enhances value transmission.^[25]

Personality and health analyses underscore the roles of self-efficacy and self-esteem, identifying low self-esteem as a significant vulnerability factor for depression.^[26]^[27] Relational quality during adolescence and adulthood profoundly affects self-esteem levels and mental health outcomes.^[28] Furthermore, over three decades, the study notes substantial improvements in respect and empathy toward adolescents within school and family environments,^[29] marking a significant humanization trend in educational contexts.

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History

Methodology and funding

Re-using the data

Results

Further reading

See also

References

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