Sociogram vs. Sociometry

Sociogram and Sociometry Definitions
Sociogram
A graphic representation of the structure of interpersonal relations in a group situation; a depiction of the social links that a person has.
Sociometry
The quantitative study of interpersonal relationships in populations, especially the study and measurement of preferences.
Sociometry
The quantitative study of social interactions, and the measurement of preferences etc.
Sociometry
The quantitative study of social relationships