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	Quadratic Assignment Procedure	Analisi delle Reti Sociali
Campo	Sociology	Analisi delle reti
Famiglia	Process / pipeline	Machine learning
Anno di origine	1976 (QAP); 1988 (network application)	1934 (sociometry); 1994 (modern formalization)
Ideatore	Lawrence Hubert & James Schultz; David Krackhardt	Moreno, J.L.; formalized by Wasserman & Faust
Tipo	Permutation-based test of association between two matrices	Structural/relational analysis framework
Fonte seminale	Krackhardt, D. (1988). Predicting with networks: Nonparametric multiple regression analysis of dyadic data. Social Networks, 10(4), 359–381.	Wasserman, S. & Faust, K. (1994). Social Network Analysis: Methods and Applications. Cambridge University Press. ISBN: 978-0-521-38707-1
Alias	QAP correlation, QAP permutation test, matrix permutation test, Hubert-Schultz QAP	SNA, network analysis, sociometric analysis, relational analysis
Correlati	4	5
Sintesi	The quadratic assignment procedure (QAP) is a permutation-based method for testing the association between two relational matrices measured on the same set of actors — for example, whether who advises whom is correlated with who is friends with whom. Because the dyads in a network are not independent, ordinary correlation and regression give invalid p-values; QAP fixes this by comparing the observed matrix correlation to a reference distribution generated by randomly relabeling the nodes of one matrix many times.	Social Network Analysis (SNA) is a structural method that maps and measures relationships and flows between people, groups, organizations, or other entities modeled as nodes connected by ties (edges). Rather than focusing on individual attributes, SNA reveals how the pattern of connections shapes behavior, influence, information flow, and outcomes within a system.