How would you measure a personality? What, exactly, is the self? Well, as you've come to expect, it's not that easy to nail down an answer to those questions. Whether you're into blood, bile, earth, wind, fire, or those Buzzfeed questionnaires, there are LOTS of ways to get at who we are and why. Want more videos about psychology? Check out our sister channel SciShow Psych at null! -- Chapters: Introduction: Personality Types 00:00 Trait Theory of Personality 1:35 The Big 5: Conscientiousness, Agreeableness, Neuroticism, Openness, & Extraversion 3:15 Social Cognitive Perspective of Personality 4:46 Internal vs. External Locus of Control 5:54 Testing & Measuring Personality 6:15 Thematic Apperception Test 6:51 Personality Trait Inventories 7:31 Minnesota Multiphasic Personality Inventory 8:05 Social Cognitive Personality Assessments 8:24 Humanistic Self-Concept Evaluations 9:01 Who or what is the self? 9:22 Review & Credits 10:17 -- 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