April 11, 2008

April 11, 2008 - 1 (--= N N SS X t obt obt ) 1 (--= N N SS...

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April 11 Outline I. Overview of Chapter 14 A. Diagnosing the research design 1. Repeated measures design 2. Independent groups design B. The questions addressed Chapter Statistic Design Population Sample Question 12 z Single sample μ,σ X , N Did the sample come from this population? 13 t Single sample μ X , N, s Did the sample come from this population? 14 t Repeated measures D , N, s D Did the two samples come from the same population? 14 t Independen t groups , , 2 1 X X n 1 , n 2 , 2 1 X X s - Did the two samples come from the same population?
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II. t for correlated groups A. Equation Single Samples Correlated Groups N s X t obt obt μ - = N s D t D D obt obt - = )
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Unformatted text preview: 1 (--= N N SS X t obt obt ) 1 (--= N N SS D t D D obt obt -= N X X SS 2 2 ) ( -= N D D SS D 2 2 ) ( B. Example C. SPSS Repeated measures design: an experimental design in which all participants experience both (all) levels of the independent variable; data analyses are performed on difference scores Independent groups design: an experimental design in which different groups of participants experience the different levels of the independent variable; data analyses are performed on the raw scores...
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This note was uploaded on 04/17/2008 for the course PSYC 241 taught by Professor Jamesantes during the Spring '08 term at North Dakota.

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April 11, 2008 - 1 (--= N N SS X t obt obt ) 1 (--= N N SS...

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