Chapter 1&2

Creation of an artificial pattern of variation to

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Unformatted text preview: causally related to a third variable Matched samples: a technique in which participants in two samples are identical in terms of a third variable Matched pairs: a technique in which one participant of one sample matches with another participant of the other sample Third variable problem: a causal relationship between two variables cannot be inferred from the natural correlation between them because of the ever- present possibility of third- variable correlation Thus, we can never use natural correlation to tell us what we want to know Experiment: a technique for establishing the causal relationship between variables Manipulation: the creation of an artificial pattern of variation to determine its...
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This note was uploaded on 02/07/2014 for the course PSYC 011 taught by Professor Abigailmarsh during the Spring '11 term at Georgetown.

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