Northwestern Events Calendar

Jan
29
2015

SONIC Speaker Series: Statistical Power to Detect Social Network Effects in Small Groups

When: Thursday, January 29, 2015
2:00 PM - 3:00 PM CT

Where: Frances Searle Building, SONIC Lab 1-459, 2240 Campus Drive, Evanston, IL 60208 map it

Audience: Faculty/Staff - Student - Post Docs/Docs - Graduate Students

Contact: Edward Palazzolo   (847) 491-2104

Group: SONIC

Category: Lectures & Meetings

Description:

SONIC Speaker Series

Dan Newman, Associate Professor of Psychology, Department of Psychology
University of Illinois at Urbana-Champaign

Abstract

One handy method for modeling social network contagion effects (i.e., using peer attributes to predict the focal actors’ attributes) is the spatial lag or spatial autocorrelation model. Wang, Neuman, and Newman (2014) demonstrated that in order to attain adequate statistical power to detect such social network effects, networks researchers will often need data from a modest-sized network of 40 or more persons. This poses a problem when one’s theoretical focus is on social contagion/network effects in small groups and teams, for which the membership is often much smaller than N = 40. Using simulation methods, I seek to extend the work of Wang et al. (2014) to investigate how many groups/teams are needed in order to reliably detect social network contagion in small groups.

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