Chapter 12 - Chapter12 28/05/200911:45:00...

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Chapter 12 28/05/2009 11:45:00 Non-equivalent-Groups Designs Nonequivalent-groups designs      – {s are “assigned” to groups by means other  than randomization o Usually find a similar group as a control group o Nonequivalent –groups posttest-only design      – Measure both groups  after on receives “treatment” o Nonequivalent-group pretest-posttest design     – Measure before and  after treatment  Interrupted Time Series Designs Interrupted time series designs      – Measure DV several times before and after  treatment Single interrupted time series design     o Groups 1: 0000X0000 Example” Introduction o gun control law 
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This note was uploaded on 11/10/2009 for the course PSYCHOLOGY 12 taught by Professor Sweeny during the Spring '09 term at UC Riverside.

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Chapter 12 - Chapter12 28/05/200911:45:00...

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