00:00 Introduction 01:00 traits theory general overview 02:58 Contributors 04:23 Gordon Alport 06:18 Cardinal traits 07:58 Central traits 08:49 Secondary traits 09:56 Alport's important work 13:55 Raymond B. Catell Overview 18:28 Hans j. Eysenck Overview 19:38 Basic Nature of human beings 25:04 Important Terms 28:28 6 important values 33:27 Definition of Trait 35:45 Common traits vs personal traits 40:38 Proprium 41:21 Raymond B. Catell 48:55 Eysenck's Three-Factor Theory #Psychology #Personlaity #Traits