PSYC 2230 Midterm: Psyc 2230- Lecture-midterm on.docx

• School: York University
• Department: Psychology
• Course: PSYC 2230
• Professor: Frank Marchese

Document Summary

Chapter 5 : drive theory and motivational psychology (photocopy: concept of drive: introduced originally by freud and woodworth in early. Energy beyond a certain point unpleasant since organism governed by principle of constancy . Reduce excitation in nervous system and this is pleasurable. Increase in excitation is pleasurable: freud said moving force (drive) has four characteristics: A. pressure is strength of force and stronger the force the more motivated: aim of moving force is satisfaction, object of moving force may be internal or external to individual. Object may change in course of life but moving force remains the same. Fixation of an object or restricted range of objects may occur. D. source of moving force is the need (bodily deficit from which too much excitation-hunger, thirst, fatigue, etc, arises): freud"s model: need -----psychic d energy ------b-----goal------satisfaction through need and drive reduction, example: 1) need for water. 2)pressure: strength of need great due to 36 hours water deprivation.