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	Structural Holes Analysis	Ego-nätverksanalys
Ämnesområde	Sociology	Nätverksanalys
Familj	Process / pipeline	Process / pipeline
Ursprungsår	1992	1992 (Burt); foundational measurement formalised by Marsden 2002
Upphovsperson	Ronald S. Burt	Ronald S. Burt (structural holes framework); Peter V. Marsden (egocentric measures)
Typ	Ego-network measure of brokerage opportunity and constraint	Descriptive / relational network analysis
Ursprungskälla	Burt, R. S. (1992). Structural Holes: The Social Structure of Competition. Harvard University Press. ISBN: 978-0-674-84371-4	Burt, R.S. (1992). Structural Holes: The Social Structure of Competition. Harvard University Press. ISBN: 9780674843714
Alias	structural holes, Burt constraint, network constraint analysis, effective size analysis	personal network analysis, egocentric network analysis, Ego Ağı Analizi (Personal Network Analysis)
Närliggande	5	6
Sammanfattning	Structural holes analysis, developed by Ronald Burt, measures the brokerage opportunities available to an actor by examining the gaps — structural holes — between their otherwise disconnected contacts. An actor whose contacts do not know each other bridges non-redundant sources of information and control and is said to be rich in structural holes; an actor whose contacts are all interconnected is constrained. The core measures — network constraint, effective size, and efficiency — quantify how much advantage an ego's network structure confers.	Ego network analysis examines the personal network of a focal individual — the ego — by mapping their direct contacts (alters) and the ties those contacts share with one another. Formalised through Ronald Burt's structural holes framework (1992) and Marsden's egocentric measurement approach (2002), the method produces ego-level indicators such as network size, density, constraint, and brokerage role that reveal how each individual's social position shapes their access to information, resources, and influence.