Exploring the propensity to perform social activities: a social network approach |
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Authors: | Juan Antonio Carrasco Eric J Miller |
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Institution: | (1) Department of Civil Engineering, University of Toronto, Toronto, M5S1A4, Canada |
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Abstract: | Conceptual and empirical models of the propensity to perform social activity–travel behavior are described, which incorporate
the influence of individuals’ social context, namely their social networks. More explicitly, the conceptual model develops
the concepts of egocentric social networks, social activities, and social episodes, and defines the three sets of aspects
that influence the propensity to perform social activities: individuals’ personal attributes, social network composition,
and information and communication technology interaction with social network members. Using the structural equation modeling
(SEM) technique and data recently collected in Toronto, the empirical model tests the effect of these three aspects on the
propensity to perform social activities. Results suggest that the social networks framework provides useful insights into
the role of physical space, social activity types, communication and information technology use, and the importance of “with
whom” the activity was performed with. Overall, explicitly incorporating social networks into the activity–travel behavior
modeling framework provides a promising framework to understand social activities and key aspects of the underlying behavioral
process.
Juan Antonio Carrasco a PhD candidate in Civil Engineering at the University of Toronto, holds a MSc degree in Transportation Engineering from
the Pontificia Universidad Católica de Chile. His doctoral research explores the relationships between social networks, activity–travel
behavior, and ICTs. His research interests also include microsimulation, land use-transportation, and econometric modeling.
Eric J. Miller is Bahen-Tanenbaum Professor of Civil Engineering at the University of Toronto where he is also Director of the Joint Program
in Transportation. His research interests include integrated land-use/transportation modeling, activity-based travel modeling,
microsimulation and sustainable transportation planning. |
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Keywords: | Social networks Activity– travel behavior Social activities Information and communication technologies Structural equation modeling |
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