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Related Concept Videos

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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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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Longitudinal Studies01:26

Longitudinal Studies

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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...
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There are many research methods available to psychologists in their efforts to understand, describe, and explain behavior and the cognitive and biological processes that underlie it.
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Surveys02:16

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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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Observational Studies01:11

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Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
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Updated: Jul 4, 2025

Trajectory Data Analyses for Pedestrian Space-time Activity Study
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Promoting active student travel: A longitudinal study.

Peng Chen1, Junfeng Jiao2, Mengyuan Xu3

  • 1College of Transportation Engineering, Tongji University, Shanghai, China.

Journal of Transport Geography
|January 29, 2024
PubMed
Summary
This summary is machine-generated.

Improving sidewalks and bike lanes encourages students to walk or bike to school. Policies supporting active travel and neighborhood-based school assignments can increase student participation in active commuting.

Keywords:
Active school travelGeneralized linear modelSeattleSidewalk and bike laneWalking and biking

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Area of Science:

  • Urban Planning
  • Public Health
  • Transportation Science

Background:

  • Student travel modes are influenced by various factors including safety, environment, and demographics.
  • Active travel (walking/biking) to school offers health and environmental benefits.

Purpose of the Study:

  • To investigate how sidewalk modifications and bike lane accommodations impact students' active travel to school.
  • To identify built environment and policy factors influencing active commuting among students.

Main Methods:

  • Utilized a generalized linear model to analyze longitudinal data from 53 Seattle schools.
  • Examined the relationship between school environment characteristics and student walking/biking rates.

Main Results:

  • Enhanced sidewalks and bike lanes positively correlate with increased walking and biking.
  • Neighborhood-based school assignments and high employment density may promote active travel.
  • Higher crosswalk density encourages walking, while bike crash density deters biking.

Conclusions:

  • Investments in active transportation infrastructure are crucial for promoting student walking and biking.
  • Policy interventions should focus on creating safe and accessible environments for active student travel.