Basic Definitions
What is the definition of Social Network
A set of relationships, often defined as a set of “nodes” or individuals, and the ties or “edges” between them
What is a weak tie vs a strong tie?
A strong tie is a close intense relationship vs a weak tie is a more casual relationship with lower emotional intensity.
Two friends are also classmates and members of the same soccer team. What type of relationship do they have
A multiplex relationship
What are Degrees
The total number of edges connected to each node in a network
What is Homophily
The tendency for people to form connections and networks with those similar to themselves.
Two people are friends in class only. What type of relationship is this.
A simplex tie
What is a simplex and a multiplex relationship.
A simplex relationship is when there is only one type of relationship between two people. A multiplex relationship is when there are multiple types of connections between two people.
What is a small world network?
A social network characterized by high local clustering and short global seperation
On Instagram if you follow a celebrity but they don't follow you back what type of tie is it
A directed tie
What is the difference between an in-degree and an out-degree
In degree is the total number of edges that point towards a node versus out degree is the total number of edges that point away from a node.
What is a bridge
A connection that connects groups together that would otherwise not be directly connected
Which type of connection is more likely to provide you with a viable job offer a weak tie or strong tie? Why?
A weak tie is more likely too because they expose you to different social connections and networks leading to new oppurtunities.
What is a directed edge versus an undirected edge and what do both represent
A directed edge has a one way direction vs an undirected edge has no direction. An undirected edge indicates a mutual relationship whereas a directed edge is a one sided relationship.
What are the three main types of homophily
Baseline homophily, inbreeding homophily, status based homophily, and values based homophily
The average person is connected to someone else on an average of degrees
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