HDFS 4413 Lecture Notes - Lecture 6: Informed Consent, Apache Hadoop
1 Sep 2016
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The key issue in aging research: r = f (a,c,t, **be able to identify this as the general developmental model!, development is a function of age, cohort, and time. Research must be sensitive to the effects of individual age, birth cohort, and time/period effects. Traditional designs: cross- sectional design, longitudinal, time- lag* - interested about the age of the person. General developmental model (schaie, 1994: the problem cross sectional, longitudinal, time-lag, most efficient design(s) sequential study design that addresses each confound for purposes of: Condensing length of time spent addressing age-associated change/stability. Increasing inclusiveness of data framework (aka eliminate missing data, sample attrition, etc. ) Halo effects, positivity bias: homogeneity, participation of participants with similar attribute(s, sex/gender, race/ethnicity, education level, geographic region, health, methodological issue: lack of variation in scores, non-significant finding, missingness a. Inconclusive data points: methodological issue: interference of sensory/motor abilities, survey/interview length, mental fatigue, readability c.
