Science of Life-Span Development
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Transcript of Science of Life-Span Development
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Science of Life-Span Development
• Definitions• Psychoanalytic theories• Cognitive theories• Behavioral/Social Cognitive• Ethological theories• Ecological theories• Research methodology
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Definitions of…
• Theory: A theory is an interrelated, coherent set of ideas that helps to explain and to make predictions.
• Hypothesis: A hypothesis is a specific assumption or prediction that can be tested to determine its accuracy
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Psychoanalytic Theories
• Sigmund Freud– Personality– Psychosexual development
• Oral (0-1)• Anal (1-3)• Phallic (3-6)• Latent (6-12)• Genital (12+)
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Psychoanalytic Theories
Erik Erikson: Eight stages of development1. Trust v. Mistrust (0-1)2. Autonomy v. Shame/Doubt (1-3)3. Initiative v. Guilt (3-5)4. Industry v. Inferiority (5-11)5. Identity v. Role Confusion (11-22)6. Intimacy v. Isolation (22-40)7. Generativity v. Stagnation (40-65)8. Integrity v. Despair (65+)
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Cognitive Theories
• Piaget’s cognitive development theory• Vygotsky’s sociocultural cognitive theory• The information-processing approach
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Behavioral and Social Cognitive Theories
• These theories believe that scientifically we can only study what can be directly observed and measured.
• They also believe that development is observable behavior that can be learned through experience with the environment.
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Ethological Theory
• Behavior is strongly influenced by biology.• Behavior is tied to evolution.• Behavior is characterized by critical periods.• European zoologist Konrad Lorenz (1903-
1989) identified imprinting.• John Bowlby theorized about attachment.
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Ecological Theory
• Developed by Urie Bronfenbrenner.• Consists of 5 environmental systems:
– The Microsystem– The Mesosystem– The Exosystem– The Macrosystem– The Chronosystem
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Research Methods• Observation• Laboratories vs. naturalistic settings• Interviews and Questionnaires• Case Studies• Standardized Tests• Life-History Records• Animal Research• Correlational research• Experimental research
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Definitions of…
• Independent variables• Dependent Variables• Experimental group• Control Group• Random assignment
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Experiment example…
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Research Challenges
• Ethics• Gender• Ethnicity and Culture