Related Experiment Video

Updated: Aug 3, 2026

Fundus Photography as a Convenient Tool to Study Microvascular Responses to Cardiovascular Disease Risk Factors in Epidemiological Studies
10:11

Fundus Photography as a Convenient Tool to Study Microvascular Responses to Cardiovascular Disease Risk Factors in Epidemiological Studies

Published on: October 22, 2014

European retirees on the Costa del Sol: a cross-national comparison

V Rodriguez, G Fernandez-mayoralas, F Rojo

    International Journal of Population Geography : IJPG
    |September 28, 2002
    PubMed

    Keywords:
    AdultAge FactorsAgedAttitudeBehaviorComparative StudiesCross-cultural ComparisonsDemographic FactorsDeveloped CountriesEconomic FactorsEmployment StatusEuropeInternational MigrationMediterranean CountriesMigrantsMigrationMotivationPopulationPopulation CharacteristicsPopulation DynamicsPsychological FactorsResearch MethodologyRetirementSocioeconomic FactorsSocioeconomic StatusSouthern EuropeSpainStudies

    More Related Videos

    Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design07:40

    Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design

    Published on: May 31, 2021

    High-Throughput Behavioral Aging and Lifespan Assays Using the Lifespan Machine08:53

    High-Throughput Behavioral Aging and Lifespan Assays Using the Lifespan Machine

    Published on: January 26, 2024

    Related Concept Videos

    Longitudinal Research02:20

    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...
    Cross-Sectional Research01:50

    Cross-Sectional Research

    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...
    Data Collection by Observations01:08

    Data Collection by Observations

    Data collection refers to a systematic way of obtaining, observing, measuring, and analyzing accurate information. Observational studies are one of the most widely used methods of data collection. It involves collecting data by observing the behavior and physical characteristics of a sample without making any modifications to the sample.
    An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
    Observational Studies01:11

    Observational Studies

    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.
    There are three types of observational studies – Prospective, retrospective, and cross-sectional.
    Prospective Study
    Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One example of...
    Longitudinal Studies01:26

    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...
    Aging01:26

    Aging

    Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in 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...