手法を比較

	縦断的関係調査	リレーショナル調査
分野	研究デザイン	研究デザイン
系統	Process / pipeline	Process / pipeline
提唱年	1960s–1980s (formalized in panel and longitudinal survey literature)	Mid-20th century onward (systematised ~1960s–1990s)
提唱者	Classical survey methodology (Campbell & Stanley, 1963; Kessler & Greenberg, 1981)	Established in educational and social science research methodology; systematised by Fraenkel & Wallen and others
種類	Non-experimental quantitative design	Quantitative non-experimental survey design
原典	Singer, J. D., & Willett, J. B. (2003). Applied Longitudinal Data Analysis: Modeling Change and Event Occurrence. Oxford University Press. ISBN: 978-0195152968	Fraenkel, J. R., Wallen, N. E., & Hyun, H. H. (2009). How to Design and Evaluate Research in Education (8th ed.). McGraw-Hill. ISBN: 978-0073525748
別名	longitudinal correlational survey, prospective relational survey, repeated-measures relational survey, panel relational survey	correlational survey, associational survey, relationship survey design, relational descriptive survey
関連	3	4
概要	A longitudinal relational survey follows the same sample at two or more time points, collecting structured questionnaire data each wave and examining how the relationships among variables change, strengthen, weaken, or emerge across time. Unlike a cross-sectional relational survey that offers a single snapshot, this design captures temporal dynamics and allows researchers to test whether earlier measurements predict later outcomes, making it valuable for studying development, attitude change, and causal ordering.	Relational survey research is a quantitative, non-experimental design that gathers structured self-report data from a sample and examines the statistical associations among two or more variables. Unlike purely descriptive surveys, which only characterise distributions, relational surveys ask whether and how strongly variables co-vary — providing evidence of relationships without manipulating conditions or establishing causation.