Derivation of Subgroups from Dyadic Interactions

Psychological Bulletin, 1990, Vol. 107, No. 1, 114-132

19 Pages Posted: 19 Nov 2015 Last revised: 19 Feb 2016

See all articles by Dawn Iacobucci

Dawn Iacobucci

Vanderbilt University - Marketing; Vanderbilt University - Marketing

Stanley Wasserman

Indiana University Bloomington

Date Written: 1990

Abstract

This article presents a simulation study that compares several methods for deriving empirical subgroups from sociometric data. The Monte Carlo study was used to investigate how well the methods recovered the subgroup structure that had been built into the actors' and partners' modes. Forty eight sociomatrices were generated using 2 to the power 4 X 3 factorial design. The factors included the number of individuals in the network, the true number of subgroups into which the individuals were classified, the proportion of individuals falling into each of the subgroups, the structure of the dyadic interactions, and the clarity of the subgroup structure. On the basis of the simulation study's results, subgroups were derived for two real data sets. The first data set described the relations in a monastery (Sampson, 1968). The second data set described the referral network of a service provider (Reingen & Kernan, 1986).

Suggested Citation

Iacobucci, Dawn and Iacobucci, Dawn and Wasserman, Stanley, Derivation of Subgroups from Dyadic Interactions (1990). Psychological Bulletin, 1990, Vol. 107, No. 1, 114-132, Available at SSRN: https://ssrn.com/abstract=2691622 or http://dx.doi.org/10.2139/ssrn.2691622

Dawn Iacobucci (Contact Author)

Vanderbilt University - Marketing ( email )

Nashville, TN 37203
United States

Vanderbilt University - Marketing ( email )

Nashville, TN 37203
United States

Stanley Wasserman

Indiana University Bloomington ( email )

Dept of Biology
100 South Indiana Ave.
Bloomington, IN 47405
United States

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