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| 트렌드 연구× | 종단 연구× | |
|---|---|---|
| 분야 | 연구설계 | 연구설계 |
| 계열 | Process / pipeline | Process / pipeline |
| 기원 연도≠ | Mid-20th century (formalised in social science methodology ~1950s–1960s) | Late 19th–early 20th century; methodologically codified through the 20th century |
| 창시자≠ | Earl Babbie and survey research tradition | No single originator; foundational methodological treatments by Stuart Menard and Judith Singer & John Willett |
| 유형≠ | Quantitative longitudinal research design | Quantitative (or mixed) observational research design |
| 원전≠ | Creswell, J. W. (2014). Research Design: Qualitative, Quantitative, and Mixed Methods Approaches (4th ed.). Sage. ISBN: 978-1452226101 | Menard, S. (2002). Longitudinal Research (2nd ed.). Sage Publications. ISBN: 978-0761922841 |
| 별칭 | trend study, trend survey, longitudinal trend study, time-series survey | longitudinal study, longitudinal design, prospective longitudinal study, repeated-measures observational study |
| 관련 | 4 | 4 |
| 요약≠ | Trend research is a longitudinal quantitative design that tracks changes in a characteristic of a general population over time by surveying different, independently drawn samples at two or more time points. Unlike panel studies, the same individuals are not followed; rather, each wave draws a fresh sample from the same population, allowing researchers to detect population-level shifts in attitudes, behaviours, or conditions while avoiding the attrition and panel conditioning problems of repeated-measures designs. | Longitudinal research is an observational design in which the same participants, groups, or units are measured repeatedly over an extended period. Rather than capturing a single snapshot, it tracks change, stability, and temporal sequencing of variables — making it the primary non-experimental strategy for studying development, growth, decline, and the unfolding of causal processes across time. |
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