Sociology – Paper 1 – Methods of research | e-Consult
Paper 1 – Methods of research (1 questions)
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A longitudinal research design involves collecting data from the same participants (or comparable groups) at multiple points over an extended period.
- Repeated measurement: The same variables are measured at two or more time‑points.
- Temporal sequencing: Allows researchers to establish the order of events, aiding causal inference.
- Change detection: Enables analysis of how attitudes, behaviours, or social structures evolve.
- Panel vs. cohort: A panel follows the identical individuals; a cohort follows a group sharing a characteristic (e.g., birth year).
Why choose longitudinal over cross‑sectional?
Longitudinal designs can reveal patterns of stability and change that a single‑time‑point (cross‑sectional) study cannot capture. For example, a sociologist investigating the impact of educational policy on social mobility would need to track the same students over several years to see how early academic outcomes translate into later occupational status, something a cross‑sectional snapshot would miss.