Chapter 1: Intro to Social Psychology
Part 3: Wed. Jan 23, 2013
• Random assignment (RA)– into groups– eliminate other possible explanations for results
How is it different from random sampling (RS)…?
• Experimental Methods: how are these used?– About 3/4ths of Social Psych research.
• Less often, social psych uses correlational studies– What is examined?
• 2 distinguishing factors of true experiments: (Table 1.1)– 1. Control & manipulation of variables
– 2. Random assignment to groups –• What is its benefit?
• Example of a social psych experiment –
• In experiments, use IVs and DVs – Independent variables (IV): what is manipulated– Example?
– Dependent variables (DV): observed to determine impact of IV
– Example?
• External validity – questions related to whether results will generalize
– Depends on:• Mundane realism & Experimental realism
– (read about these on p. 27 in text)
Ethics & Deception
– IRB protects participants• How?
– Types of deception:• 1) False Purpose• 2) False Feedback• 3) Use of a confederate/actor
• Benefits of deception?• Ethical concerns?
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