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	Neighborhood Effects Analysis	Urban Vitality Index
Odbor	Urban Studies	Urban Studies
Rodina	Process / pipeline	Process / pipeline
Rok vzniku	2002	1961
Tvorca	Robert J. Sampson (and the Chicago neighbourhood-effects tradition)	Jane Jacobs (conceptual); operationalised by later urban analysts
Typ	Pipeline for estimating the contextual/causal effect of neighbourhood on individual outcomes	Composite descriptive index of urban vitality
Pôvodný zdroj	Sampson, R. J., Morenoff, J. D., & Gannon-Rowley, T. (2002). Assessing "neighborhood effects": Social processes and new directions in research. Annual Review of Sociology, 28, 443–478.	Jacobs, J. (1961). The Death and Life of Great American Cities. Random House. ISBN: 9780679741954
Ďalšie názvy	Neighbourhood Effects Modelling, Contextual Effects Analysis, Multilevel Neighbourhood Analysis, Place Effects Estimation	Urban Vitality Measure, Jacobs Vitality Index, Street Vitality Index, Urban Liveliness Index
Príbuzné	4	4
Zhrnutie	Neighborhood effects analysis estimates how much the place a person lives — its poverty, social cohesion, disorder, or institutions — shapes individual outcomes such as health, crime, educational attainment, and economic mobility, over and above the individual's own characteristics. It is dominated by multilevel (hierarchical) models that recognise people are nested within neighbourhoods, separating variation that lies between places from variation within them. The central methodological challenge, crystallised in Robert Sampson and colleagues' influential 2002 review, is distinguishing genuine contextual effects from selection bias: the fact that people do not sort into neighbourhoods at random.	The urban vitality index is a composite descriptive measure of how lively, busy and economically active an urban area is, built from the conditions Jane Jacobs argued generate street life. In The Death and Life of Great American Cities (1961), Jacobs identified four generators of diversity — mixed primary uses, short blocks, a mix of building ages, and sufficient density — together producing the foot traffic and 'eyes on the street' that make places vital. The index operationalises these qualities as measurable indicators for each spatial unit, normalises them onto a common scale, and combines them into a single vitality score that can be mapped, compared and tracked over time.