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Lecture

HLTB01 Lecture 1.pdf

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Department
Health Studies
Course
HLTC22H3
Professor
Michelle Silver
Semester
Fall

Description
HLTB01 Lecture 1 September-11-12 3:00 PM Cue Column: Note-Taking Area: • Gerontology: aging process study • Aging multidisciplinary field; wide POVs ○ External validity  Generalized results are reflective of population  Does sample represent population?  More representative = more confidence level ○ Internalvalidity  Confounding factors influencingresults  Compromise confidence, i.e. relationship exists btwn 2 factors □ Threat: ex. Aging is predictor in Alzheimer's □ Threat: inaccurate; influenced answers/biased □ Hawthorne effect: behave in a certain way; expectations □ Threat: mood bias • Threats to validity of study: SELECTION ○ Given sample ○ Concern: sample selection  Equivalent?  Random sampling methods?  Equal chance of participation  Differences that are relevant before study • Life span: avg amount of time individual expects to live ○ NOT life expectancy i.e. human 120 yrs • How to achieve long life? ○ Diet & exercise? ○ Genetics determine life span?
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