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Chapter 13

Terms in this set (33)

Social netowrk analysis
The systematic study of the web of relationships that link actors in a given setting
Social network
a set of actors and the relations that link them together
Network size
refers to the number of actors in the network
social netowork composition
refers to the profile of the different types of actors who compose a network
triad
a set of three nodes that are at least indirectly connected to each other
directed network tie
relations between two actors may or may not be mutual
Cohesion
the degree to which actors in a network are interconnected
network density
measures how many of all possible connections are realized
clique
subset of at least three actors who are all directly connected
equivalence
similarity between social actors
geodesic distance
the minimum steps an actor must take to reach another actor
diffusion
the dissemination of information and resources
structural holes
gaps that exist between sets of actors in a network
bridge
an actor who connects otherwise poorly connected sets of actors in a network
centrality
the extent to which an actor can access a larger number of other actors through a few intermediaries
tie valence
the extent to which a tie is characterized by positive or negative sentiments or relations
multiplexity
refers to the number of different ways in which a pair of actors are connected
egocentric
self-centered
sociocentric
a view of the self that is context-dependent; there is no intrinsic self that can possess enduring qualities
matrices
an array of rows and columns which the actors in a network are listed in the headings and the ties between them are recorded in the corresponding cells
One-mode networks
include just one type of actor, such as individuals within a city
Two mode networks
include individuals and their connections to particular social groups, such as businesses or voluntary
name generator
can be used to elicit names of network members from respondents
Free-choice approach
allows respondents to identify as many network members as they wish
fixed-choice approach
restricts responses to a predetermined number of ties
Hierarchical mapping
visual aid technique used in network research
Name interpreters
are used to ask follow-up questions about the behaviors and attitudes of individuals identified through name generators
Recall bias
the failure of respondents to mention network relationships that are important or interesting to the researchers
Projection bias
the tendency of respondents to perceive the behaviors and attitudes of their social network members as being very similar to their own
selection bias
refers to the fact that some respondents are more likely than other to be found in particular social networks
position generators
ask about whether respondents know people who occupy various hierarchically ordered positions
resource generators
ask whether respondents know people through whom they can access resources such as social support, money, or information
social network indices
composite measures generated from respondents' responses to multiple questions about their network
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