Related Experiment Video
Updated: Mar 19, 2026

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
Published on: May 31, 2021
Subjective Age Across the Life Span: A Differentiated, Longitudinal Approach
Anna E Kornadt1, Thomas M Hess2, Peggy Voss3
1Department of Psychology, Bielefeld University, Germany.
Subjective age (SA), how old people feel, varies by life domain and age group. Negative future self-views predict an increased SA, particularly in middle age, highlighting the multidimensional nature of aging experiences.
Area of Science:
- Gerontology
- Psychology of Aging
- Sociology of Aging
Background:
- Subjective age (SA) reflects an individual's perceived age relative to their chronological age.
- SA is a key indicator of aging experiences and predicts health and mortality outcomes.
- Understanding the multidimensional structure of SA is crucial for comprehending the aging process.
Purpose of the Study:
- To investigate the multidimensional structure of subjective age across different life domains.
- To examine age-group differences and age-related changes in SA.
- To explore the relationship between SA and future self-views.
Main Methods:
- A longitudinal study assessed 593 participants aged 30-80 at baseline.
- Questionnaires were administered at two time points, 4 years apart.
- Variables included subjective age across life domains and future self-views.
Main Results:
- Subjective age demonstrated significant differences across life domains and age groups.
- Changes in SA over time were dependent on the specific life domain.
- Negative future self-views at baseline predicted an increase in SA over time, especially for middle-aged adults.
Conclusions:
- Subjective aging experiences are multidimensional and domain-specific.
- Future self-perceptions play a significant role in shaping subjective age trajectories.
- A differentiated approach is essential for understanding how subjective aging influences developmental outcomes.
Related Concept Videos
Pharmacodynamics in Geriatric Patients: Effects of Age
Cognitive Development During Adulthood
Erikson's Theory on Socioemotional Development during Adulthood
Intimacy Versus Isolation in Early Adulthood
Individuals in early...
The Effect of Aging on Tissues
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption
Aging
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...

