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	Badanie modeli panelowych	Badania podłużne
Dziedzina	Projektowanie badań	Projektowanie badań
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1970s–1980s (panel econometrics and SEM matured in parallel)	Late 19th–early 20th century; methodologically codified through the 20th century
Twórca	Developed across econometrics (Hsiao, Hausman) and psychometrics (Jöreskog, Bollen)	No single originator; foundational methodological treatments by Stuart Menard and Judith Singer & John Willett
Typ	Quantitative longitudinal research design	Quantitative (or mixed) observational research design
Źródło pierwotne	Bollen, K. A. (1989). Structural Equations with Latent Variables. Wiley. ISBN: 978-0471011712	Menard, S. (2002). Longitudinal Research (2nd ed.). Sage Publications. ISBN: 978-0761922841
Inne nazwy	panel SEM, longitudinal model testing, panel structural equation modeling, panel-based hypothesis testing	longitudinal study, longitudinal design, prospective longitudinal study, repeated-measures observational study
Pokrewne	4	4
Podsumowanie	Panel-based model testing research combines the longitudinal power of panel survey designs with the confirmatory rigor of structural model testing — such as structural equation modeling (SEM), path analysis, or confirmatory factor analysis — applied to data collected from the same units (individuals, firms, countries) across multiple time points. This approach enables researchers to test theoretically specified causal and mediation structures while controlling for unobserved unit-level heterogeneity and examining how relationships unfold over time.	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.