Behaviorism is primarily concerned with observable and measurable aspects of human behavior. In defining behavior, behaviorist learning theories emphasize changes in behavior that result from stimulus-response associations made by the learner.
La Nuestra Familia. As one of the biggest Chicano gangs in the world it is also bitter rivals with its fellow countrymen in the Mexican Mafia (#18). In fact, La Nuestra Familia is said to have started when a member of La eMe stole a fellow Latinoâs pair of shoes.
It was in Los Angeles that the two major gangs in Central America started: 18th Street (M-18) and Mara Salvatrucha (MS-13) (Reisman). In a city where gangs already existed, it was natural for these new immigrants to join or create new gangs, if only for defensive purposes (Leggett).