8PPE3003 Feb. 6

8PPE3003 Feb. 6 - PPE3003 2/6/08 Chapter 7 (part...

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PPE3003 2/6/08 Chapter 7 (part 1) Physiological approaches to Personality I. Early Theory: Sheldon’s Approach a. Body type determines personality b. Slim/overweight/muscular/tall c. Main point: i. One ex of early approach to using actual body factors to look at personality d. Failure to replicate e. Today: i. No focus on global variables like body type II. Commonly used Physiological measures a. Electrodermal activity (EDA) (skin conductance) i. Electrodes/sensors on skin ii. Noninvasive (+) iii. No discomfort (+) iv. Movement constrained (-) v. Increase sweat with arousal, increase skin conductance of electricity vi. Measures responses to 1. sudden noises 2. emotional pictures 3. pain 4. anxiety 5. fear 6. guilt vii. some people show increase EDA with no external stimuli: associated with anxiety and neuroticism b. Cardiovascular activity i. Blood Pressure (BP)—measure of stress reactivity ii. Heart Rate (HR)—increase with anxiety, fear, arousal, cognitive effort iii. Cardiac reactivity:
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8PPE3003 Feb. 6 - PPE3003 2/6/08 Chapter 7 (part...

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