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Lecture 2

Lecture 2 notes (PSYC 2120) Social Psychology - Ward struther 2013

3 pages117 viewsFall 2013

Department
Psychology
Course Code
PSYC 2120
Professor
Gerry Goldberg
Lecture
2

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PSYC 2120 Social Psychology
Lecture 3, September 26, 2013
Random Assignment vs Random Selection
Strenght/Weaknesses of an Experiment
Strengths
- Can determine causal relationships
Weaknesses
- Procedures can affect our ability to generalize from lab to the real world
- Mundane realism vs experimental realism
Mundane realism the extent to which the experiment looks like a real-life situation
Experimental realism - the extent to which a researcher is to able t successful manipulate his or
her independent variable
The more mundane realism the less experimental realism, the more experimental realism the
less mundane realism
Ethics some things are not done for experiments because of morality
If a variable is not possible to manipulate, it would be a nonexperiment variable
3 effects
Interaction effect- the effect of one of those variables depends on whether you’re a male or
female
Main effect look at the main effect across the variables, comparing the results for each group
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