Plus Network Là Gì ? Mẹo Xài Ps5 Social Network

Ego networks consist of a focal node (“ego”) and the nodes to whom ego isdirectly connected to (these are called “alters”) plus the ties, if any, amongthe alters.


Of course, each alter in an ego network has his/her own ego network, and all egonetworks interlock to form The human social network.

Social Relations

Egos and alters are tied to each other by social relations. There are various kinds ofsocial relations, including:


Data Collection for Ego networks

Two basic strategies: person-based and relation-based. The person-based strategy uses aset of open-ended questionnaire items known as a name generator. Typically, it isunlimited in scope: the respondent may name anyone from any sphere of life: neighbors,kin, friends, coworkers, etc. After obtaining a large list of names, the interviewertypically goes over each name, asking the respondent about the nature of theirrelationship with that person (what social relation) and asking about attributes of thatperson (sex, race, income, etc.). When possible, this is then followed by asking therespondent to indicate relationships among the alters.

The relation-based strategy starts with a relation of interest, such as emotionalsupport, and then asks all the people that the respondent has this particular relationshipwith. Sometimes this is within the context of a circumscribed group, such as “whichof your fellow employees to obtain emotion support from?”. If appropriate this isthen followed by attributes of the tie, such as duration, intensity, frequency, strength,and so on. If the relation is friendship, might ask strength and duration, but notfrequency. If the relation is interacts with, might ask frequency and tenure of therelationship. Attributes of the alters can also be asked.

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It should be obvious that random sampling of egos from a large pop will not form anetwork: it is likely that no ego mentions an alter that is another ego or is an alter ofanother ego. Hence, certain network measures cannot be obtained from ego network data,such as the number of links that separate people.

Functions Served by Ego Networks

Social support. Emotional and material aid. Companionship. Information.

Sense-making. How to interpret the world.

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Social control. Ensuring that egos behave according to norms.

Access to resources. Entrepreneurs draw on their contacts to get the clients andemployees and consultants they need.

Behavioral models. You tend to talk like the people you talk to. You become aware ofchoices — from clothing options to brands of cars to ways of talking and behaving — fromthe people in your ego network.

Characteristics of Ego Networks

A standing hypothesis about ego networks is that strong ties are homophilous. That is,people have the strongest ties with people who similar to themselves on key attributes,such as social class, age, sex, race, political views, etc.

Another standing hypothesis or guiding principle is that people with heterogeneousnetworks are “better off”. The greater the diversity of their network, the morechance that someone in the network has something ego needs. This is particularly relevantfor entrepreneurs.

According to Granovetter, the stronger the tie between EGO and two of her alters, thegreater the likelihood that the alters enjoy at least a weak tie. Granovetter alsobelieves that weak ties provide people with access to novel information, whereas yourstrong ties tend to know the same things you do. Hence, the denser the ties in an egonetwork, the stronger the ties, and the more insular the ego network and also the morehomogeneous.

Typical measures: homophily size average strength of ties heterogeneity density composition (e.g., % women, %whites, etc.) range: i. substantively defined as potential access to social resources ii. often defined as diversity of alters iii. based on weak ties argument, density is thought of as inverse measure of range iv. size and heterogeneity also seen as measures of range

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