PSYC 2230 Chapter Notes - Chapter 1: Nomothetic, Homeostasis, Mitosis

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

Document Summary

Motivation forces acting on or within an organism to initiate behaviour: varying levels of intensity and persistence, ex. Monkey pressing lever slowly but continually for banana reward. Measurement: ofte(cid:374) do(cid:374)"t (cid:373)easure motivation directly, we can only infer. Instead manipulate stimulus and measure response: motivation acts as the intervening variable. Intervening variable: created by researcher to link s and r: ex. S change iv r: ex. S: food deprivation iv: motivation r: time. Characteristics: activation: production of overt and covert behaviour, persistence: on going performance, vigor: forceful effortful behaviour, direction: which choice of goal is made. Categories of motivation analysis: nomothetic vs idiographic approaches, nomothetic finding general laws applicable to the widest range of situations. Levels of analysis: physiological: (cid:271)rai(cid:374)"s (cid:272)o(cid:374)trol of (cid:373)otivated states, electrical stimulation, hooking up electrodes to reward centers, chemical stimulation. Injecting solutions with a canula: create lesions, surgically removing a part, record brain electrical activity, pet, mri, fmri.