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.
MS 13: The gang known as Mara Salvatrucha or MS 13 is known to have about 10,000 members and itâs one of the most dangerous and violent gangs in operation today. They are operational in over 40 cities around the United States. This gang was founded in the Salvadoran immigrant community of Los Angeles in the 1980s, but their illicit operations stretch deep into north, east and southern states of the country.