0:00:00.959,0:00:32.490 (MUSIC). My initial research and observational learning 0:00:32.860,0:00:36.060 centered on the social modeling of aggression. 0:00:36.939,0:00:38.200 In our experiment, 0:00:38.360,0:00:41.430 preschool children observed an adult model 0:00:41.619,0:00:43.159 beat up an inflated Bobo 0:00:43.349,0:00:43.439 doll 0:00:43.790,0:00:45.349 in novel ways. 0:00:45.750,0:00:47.409 She pummeled it with a mallet, 0:00:47.740,0:00:49.310 flung it in the air, 0:00:50.819,0:00:52.279 kicked it repeatedly, 0:00:53.729,0:00:55.490 and threw it down and beat it. 0:00:55.750,0:00:59.500 And these novel acts were embellished with hostile remarks. 0:01:02.909,0:01:05.410 The children were then left in the playroom 0:01:05.650,0:01:07.599 that had a variety of toys. 0:01:11.230,0:01:14.139 Now, the children who had observed the aggressive modeling 0:01:14.339,0:01:15.489 adopted much of it. 0:01:20.019,0:01:23.739 They even invented new ways for attacking the doll. 0:01:27.699,0:01:30.620 Children who had not observed the adult model 0:01:30.849,0:01:33.250 were less aggressive and never hit the Bobo 0:01:33.440,0:01:35.919 doll in the novel ways that were bottled. 0:01:37.400,0:01:40.800 The children who had been exposed to the aggressive modeling 0:01:40.970,0:01:43.489 showed an increased attraction to guns 0:01:43.660,0:01:46.500 even though the adult model never used them. 0:01:48.419,0:01:50.819 At the time we did this research, 0:01:51.160,0:01:55.080 it was widely believed that seeing others venting aggression 0:01:55.360,0:01:58.410 would drain away the viewer's aggressive drive. 0:01:58.699,0:01:59.849 As you can see, 0:02:00.059,0:02:03.940 exposure to modeled aggression is hardly cathartic. 0:02:07.019,0:02:10.270 Televised violence has four major effects. 0:02:10.758,0:02:13.399 It teaches aggressive styles of behavior, 0:02:14.080,0:02:16.899 weakens restraints over aggression, 0:02:17.669,0:02:21.919 desensitizes and habituates viewers to human cruelty 0:02:22.460,0:02:25.330 and shapes viewers images of reality. 0:02:27.100,0:02:31.339 With the enormous advances in the technology of communication, 0:02:32.029,0:02:35.309 observational learning from the symbolic environment 0:02:35.729,0:02:38.789 is placing an increasingly powerful role 0:02:39.039,0:02:40.710 in people's everyday lives. 0:02:42.630,0:02:43.929 Human attitudes, 0:02:46.199,0:02:47.380 values, 0:02:47.759,0:02:49.449 styles of behavior 0:02:50.360,0:02:52.460 are now being modeled worldwide. 0:02:54.110,0:02:55.559 As a result, 0:02:55.660,0:02:57.089 televised modeling 0:02:57.419,0:03:01.570 is becoming an influential vehicle for political 0:03:01.869,0:03:03.210 and social change. 0:03:03.910,0:03:06.429 We now have global broadcasts 0:03:06.779,0:03:08.410 of societal conflicts 0:03:08.559,0:03:10.210 as they are happening.