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	Status Attainment Model	Log-Linear Mobility Model
Ämnesområde	Sociology	Sociology
Familj	Regression model	Regression model
Ursprungsår	1967	1970s
Upphovsperson	Peter Blau & Otis Dudley Duncan	Leo Goodman; Robert Hauser
Typ	Recursive path model of occupational attainment	Log-linear / Poisson model for cell counts in mobility tables
Ursprungskälla	Blau, P. M., & Duncan, O. D. (1967). The American Occupational Structure. John Wiley & Sons. ISBN: 978-0-471-08035-0	Hauser, R. M. (1978). A structural model of the mobility table. Social Forces, 56(3), 919–953.
Alias	Blau-Duncan model, basic status attainment model, occupational attainment path model, socioeconomic life-cycle model	log-linear model for mobility, topological mobility model, quasi-independence model, levels model
Närliggande	5	5
Sammanfattning	The status attainment model, introduced by Peter Blau and Otis Dudley Duncan in The American Occupational Structure (1967), is a recursive path model that explains an individual's occupational status from their social origins and intervening achievements. In its basic form, father's education and father's occupation influence the respondent's education and first job, which in turn shape current occupational status. By decomposing the link between origins and destinations into direct and education-mediated indirect paths, it established that education is the principal channel through which advantage is transmitted across generations.	Log-linear mobility models analyze an origin-by-destination mobility table by modeling the logarithm of its expected cell counts as a sum of terms: separate effects for the origin and destination marginals plus interaction terms that capture the origin–destination association. By specifying that association parametrically — through diagonal, level, or scaled terms — these models test precise hypotheses about the structure of social fluidity independent of the changing sizes of classes.