Hoofdstuk 7 - social networks Flashcards
Friendship paradox
people have fewer friends on average than their friends do on average
Graph/sociogram
connections between people in a social network
Nodes (actors)
individuals in the network
Edges (ties)
how the individuals are connected
Personal network
an ego-network which presents all ties of a certain person (ego) with other persons (alters)
Dyad
each (possible) relationship between ego and alters
Adjacency matrix
matrix that represents who is ‘next to’ whom in the social network
Indegree
how often a person is nominated by others in the network (adjacency matrix)
Outdegree
how often a person nominates other persons (adjacency matrix)
Name generator
a survey question which asks respondents to mention the names or initials of alters in their personal network
Hubs
highly connected, central nodes (actors) in the network
Network density
the ratio of all realized ties in a network to the number of possible ties in that network
Triad
network of three actors, and the (possible) ties between them
Triadic closure
if all three actors are connected to each other
Transitivity
the fact that your connections tend to know each other as well
