Research Methods In Aging PDF
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Uploaded by PainlessBamboo8785
Carleton University
2025
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Summary
This document is a lecture on research methods in aging. It discusses different research designs and key concepts like cohort effects, time of measurement effects, and confounding effects. The lecture likely covers topics relevant to understanding how different factors influence aging processes or results from studies on aging
Full Transcript
lecture Tuesday, January 14, 2025 11:46 AM Lecture2_Re searchMet… Lecture2_Re searchMet… Cohort effects: ○ Responds to normativ § Things that influ Time of measurement effec ○ Differences among pa measurements of dep § Historical event Age effects...
lecture Tuesday, January 14, 2025 11:46 AM Lecture2_Re searchMet… Lecture2_Re searchMet… Cohort effects: ○ Responds to normativ § Things that influ Time of measurement effec ○ Differences among pa measurements of dep § Historical event Age effects ○ Due to chrono age § Differences cau □ The inher processin Confounding effects ○ Factor or set of factor which of the effect is § Eg cognition loo □ If we're lo people w ® Gen ◊ ® In a ◊ ® If y alze ® If y alze Cross sectional: comparin ○ Allows you to look a Longitudinal: ○ Studies the same pe Sequential design ○ Studies the same in § Follows peop § Allows you to Time-lag comparison desi ○ Could show cohort § Not done ver - Low cost and easy to imple - We can look at age DIFFER ○ Does not identify th - Major issue with these is c ○ Eg invention of calcu - Low cost and easy to imple - We can look at age DIFFER ○ Does not identify th - Major issue with these is c ○ Eg invention of calcu ○ Ppl born in late 80s e teen years ○ Gen alpha is getting Following people repeatedly This is very expensive and it ○ People drop out, partic 5-10% drop out rate § Those who leave □ There is a in the stud ® Surv Employed to study age chang ○ Allows us to say that x Main issues are ○ Practice effects ○ Limited generalizablity ® Surv Employed to study age chang ○ Allows us to say that x Main issues are ○ Practice effects ○ Limited generalizablity § Results may be a and the specific Same groups of people ov ○ Following 60 year o Combines both longitudin ○ Optimal method Examines age-changes an These are very expensive ○ Practice effects, lim Experimental design: ○ Often involves manipu effect ○ We are able to say tha dependent variable ○ In a lot of aging studie Correlational study ○ Relationship between § Eg smoking and ○ Difficulty: not causatio Case study ○ Particularly useful, stu § Eg we learned a Meta-analysis ○ Combination of result