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Related Concept Videos

Surveys02:16

Surveys

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Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
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Cross-Sectional Research01:50

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In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
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Life Tables01:22

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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,...
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Reliability and Validity01:29

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Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
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Longitudinal Research02:20

Longitudinal Research

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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...
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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...
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Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans
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Subjective Life Expectancy Among College Students.

Alyssa E Rodemann1, Danielle Arigo1

  • 1a Department of Psychology , The University of Scranton , Scranton , Pennsylvania , USA.

Behavioral Medicine (Washington, D.C.)
|September 15, 2017
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Summary

College students often overestimate their life expectancy due to low perceived health risks. Awareness of current health behaviors can reduce these inaccurate predictions, potentially improving self-care habits for long-term well-being.

Keywords:
college healthconscientiousnesshealth behaviorshealth promotionlife expectancy

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Area of Science:

  • Health Psychology
  • Behavioral Science
  • Public Health

Background:

  • Establishing healthy habits during college is crucial for lifelong health.
  • Many college students do not meet recommendations for diet and exercise.
  • Low perceived risk for future health issues may explain these behaviors.

Purpose of the Study:

  • To assess the accuracy of college students' life expectancy predictions.
  • To investigate if gender or conscientiousness influences prediction accuracy.
  • To determine if awareness of health behaviors changes life expectancy perceptions.

Main Methods:

  • College students completed an electronic survey on demographics, health behaviors, and initial life expectancy predictions.
  • Life expectancy was recalculated after participants made a second prediction.
  • A validated online algorithm generated objective life expectancy calculations.

Main Results:

  • Participants significantly overestimated their initial life expectancy.
  • Prediction accuracy was not associated with gender or conscientiousness.
  • Subjective life expectancy predictions decreased after participants became aware of their health behaviors.

Conclusions:

  • College students' perceptions of life expectancy are inaccurate and overestimate reality.
  • Awareness of current health behaviors can modify subjective life expectancy estimates.
  • Life expectancy perceptions represent a psychological factor that may influence college students' health-related self-care.