In our final episode of Crash Course Psychology, Hank discusses the ideas of Aggression and Altruism. These two things are difficult to understand and explain so sit tight and get ready to run the gauntlet of human emotions. Want more videos about psychology? Check out our sister channel SciShow Psych at null! -- Chapters: Introduction: Robber's Cave Experiment 00:00 Conflict vs. Cooperation 2:26 Aggression 3:05 Genetic, Neurological, & Biochemical Reasons for Aggression 3:26 Frustration-Aggression Hypothesis 4:24 Altruism 5:17 Bystander Effect 5:48 Why do we help others? 6:57 Social Exchange Theory & the Norm of Reciprocity 7:19 Social Responsibility Norm 7:47 Conflict & Self-Interest 8:09 Review & Credits 9:37 -- Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: null