ch 2 research methods
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Last updated 12:28 AM on 2/5/26
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4 Terms
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cross sectional design
Different age groups studied at one time
ex: comparing 5,6,7 year olds
2
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longitudinal design
Same individuals studied over time.
ex: Following children from infancy to adolescence.
3
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sequential design
Combination of cross-sectional and longitudinal
Studying multiple cohorts over time.
4
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confounding variable
Unintended factor that affects results.
ex: Socioeconomic status influencing academic outcomes.
Note 
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