PSYC 2021 Lecture Notes - Type A And Type B Personality Theory, Dependent And Independent Variables, Quasi
22 Dec 2013
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Psychological variables in people-examples: type a & type b personality, measure of hostility, measure of compassion, introverted & extroverted, measure of intelligence, how risk-taking people are, obedience to authority. One way to research variables is to hold them constant, randomly assign, and account for them in a statistical sense. Random assignment you achieve and trust that groups can be equivalent. You are unlikely to get unrepresentative results: you control variables by randomly assigning them. Correlation method: measure already existing variables: examples: Perhaps people with greater self-esteem are less promiscuous. Relationship between alcohol consumption and concussions. (3rd variable involved may be: risk-taking. Perhaps reckless people have more concussions and more adventurous people consume more alcohol). In summer, people eat more ice cream, they also swim which can lead to drowning. It doesn"t mean one variable causes the other. Experimental method: only isolate variable of interest. Independent variable causes for change of the dependent variable: independent variable: what experimenter/researcher manipulates.
