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.
MS13 Gang â one of the most violent and dangerous gangs in the U.S. // December 27th, 2012 // Gangs and Organized. Introduction. The MS-13 gang, aka Mara Salvatrucha 13, is one of the most violent, dangerous gangs in the United States â and one of the most organized.The MS-13 gang has cliques, or factions, located throughout the United States and is unique in that it retains is ties to its El Salvador counterparts.ike many gangs, MS-13 was named after âLa Maraâ, a street in El Salvador and â13th Streetâ in Los Angeles. The gang originated in El Salvador and initially consisted of violent guerillas who fought in El Salvadorâs civil war.