9.04.08 RESEARCH IN ADULT DEVELOPMENT AND AGING

9.04.08 RESEARCH IN ADULT DEVELOPMENT AND AGING - MOST...

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Click to edit Master subtitle style 11/4/09 RESEARCH IN ADULT DEVELOPMENT AND 09/04/2008
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11/4/09 ATTENTION TO RESEARCH DESIGN ISSUES IS ESSENTIAL TO CONDUCTING EFFECTIVE AND USEFUL RESEARCH “BRIDGE THE SCIENCE-PRACTICE GAP”
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11/4/09 QUANTITATIVE ANALYSIS: OBJECTIVITY MEASURED HARD DATE QUALITATIVE ANALYSIS: OPEN ENDED AND EXPLANATORY IN NATURE SMALL SAMPLE SIZES CAN PROVIDE VALUABLE INFORMATION, BUT CAN NEVER TELL US IF THE FACTOR OF INTEREST CAUSE OF EFFECTS
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11/4/09 DATA QUANTITATIVE AND QUALITATIVE ARE OFTEN COMBINED QUALITATIVE “SETS THE STAGE” OBSERVATION CASE STUDIES SELF REPORT/SURVEY ARCHIVAL
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11/4/09 QUASI-EXPERIMENTAL METHODS NATURALLY OCCURING GROUPS N CAN BE MANIPULATED BY EXPERIMENTS AGINGCAN NEVER BE A TRUE INDEPENDENT VARIABLE BECAUSE IT CANT BE MANIPULATE
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11/4/09 RESEARCH DESIGNS CROSS SECTIONAL LONGITUDINAL SEQUENTIAL VARIABLES ARE MOST RELEVANT TO STUDYING AGE DIFFERENCES TIME OF MEASUREMENT AGE COHORTS
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11/4/09 CROSS-SECTIONAL DESIGNS
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Unformatted text preview: MOST COMMONLY USED INCLUDES DIFFERENT GROUPS OF SUBJECS AT DIFFERENT AGES ASSESSED ON ONE OCCASION ADVANTAGES: RELATIVELY QUICK AND ECONOMICAL CAN TELL US ABOUT POTENTIAL AGE DIFFERENCES DISADVANTAGES: 11/4/09 LONGITUDINAL DESIGNS FOLLOW THE SAME SUBJECT OVER TIME SOLVE MANY PROBLEMS OF CROSS-SECTIONAL STUDIES ADVANTAGES: AGE AND COHORT ARENT COFOUNDED CHANGES SEEN CAN BE INFERRED TO REAL CHANGES 11/4/09 LONGITUDINAL DESIGNS DISADVANTAGES: EXPENSIVE AND TIME CONSUMING SELECTIVE ATTRITTION AND DROP OUT RATE TIME-OF-MEASUREMENT EFFECTS OFTEN HAVE SMALLER SAMPLES EFFECTS OF TIME SAMPLING BIAS PRACTICE EFFECTS (PARTICIPANTS GET 11/4/09 SEQUENTIAL DESIGNS COMBINE ASPECTS OF CROSS-SECTIONAL AND LONGITUDINAL DESIGNS (SCHALE) COHORT SEQUENTIAL DESIGN RESEARCHERS REPLICATE LONGITUDINAL STUDIES WITH TWO OR MORE COHORTS ADVANTAGES...
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9.04.08 RESEARCH IN ADULT DEVELOPMENT AND AGING - MOST...

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