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1.11: Glossary

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    Key Terms 

    • Cohort: A group of people born at about the same time in history who share similar experiences. 
    • Continuity: Development that is gradual and cumulative. 
    • Critical Period: A specific time during development when certain experiences must occur for normal development to proceed. 
    • Cross-Sectional Research: A research design that compares individuals of different ages at one point in time. 
    • Culture: Shared beliefs, values, customs, and behaviors that characterize a group and are passed down through generations. 
    • Development: The pattern of change that begins at conception and continues throughout the lifespan. 
    • Developmental Psychology: The scientific study of how and why human beings change over the course of their life. 
    • Discontinuity: Development that occurs in distinct stages or steps. 
    • Ethnicity: A social category based on shared cultural heritage, language, and traditions. 
    • Hypothesis: A specific, testable prediction derived from a theory. 
    • Lifespan Development: The study of growth, change, and stability throughout life. 
    • Longitudinal Research: A research design that studies the same individuals over an extended period of time. 
    • Nature: Biological inheritance or genetic factors influencing development. 
    • Nurture: Environmental factors and experiences influencing development. 
    • Non-Normative Influences: Unusual events that have a major impact on an individual’s life. 
    • Normative Age-Graded Influences: Biological and social changes that occur at predictable ages. 
    • Normative History-Graded Influences: Events or conditions that affect entire generations. 
    • Plasticity: The capacity for change in response to experience. 
    • Scientific Method: A systematic process for collecting and analyzing data to answer questions. 
    • Sequential Research: A research design that combines cross-sectional and longitudinal approaches. 
    • Socioeconomic Status (SES): A measure of an individual’s or family’s economic and social position based on income, education, and occupation. 
    • Theory: A set of principles and ideas that explain and predict phenomena related to development. 

    1.11: Glossary is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts.

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