| EGO |
The actor whose network and behavior choices are being modeled. |
| ALTER |
A person connected to the ego who may influence the behavior of the ego. An actor who is named as a friend by the ego. |
| Actor |
A respondent. |
| Homophily |
The tendency for people to choose relationships with people who have similar attributes. |
| Peer influence |
The effect of alters' behavior on ego's behavior. |
| Social Influences |
Synonym for peer influence. |
| Tie |
A connection between two individuals (nodes) that can be either one-way (directed) or two-way (bilateral) |
| Node |
An object that may or may not be connected to other objects in a network. |
| EGO-centric network |
Subset of social relations among all persons (ALTERS) to whom a specific individual person (EGO) has a social tie. The EGO-centric network is also called the neighborhood or peer group of EGO. |
| Network multiplier |
The value of similar behaviors or attitudes, averaged across all of the EGO's ALTERs; network multiplier is used as a measure of peer influence. |
| PSM |
Propensity Score Matching is a non-parametric econometric estimation method of treatment effects controlling for potential selection bias. |
| SABM |
Stochastic Actor-Based Model. |
