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PS936: Longitudinal Research - Coggle Diagram
PS936: Longitudinal Research
Design
repeated cross-sectional studies
prospective studies
track individual changes
Why longitudinal studies?
What can it show us?
influence of particular factors
influence of well-being over time
e.g. Robert Waldinger's Harvard Happiness Study
social relationships
Benefit of Prospective Study: Gives order to events
It has a timeline
infer causality
track change over time
Strengths
Causal inference
for order
naturally occuring
explores changes over time
earlier life circumstances and later outcomes
Weaknesses
Costly
expensive to maintain
much resources
data collection
data administration
Attrition
participants drop out over time
can create a biased sample
when started out as representative
Complex to manage and analyse
data quality