Matched groups - PowerPoint PPT Presentation

Selecting and Recruiting Subjects One Independent Variable: Two Group Designs

Selecting and Recruiting Subjects One Independent Variable: Two Group Designs Two Independent Groups Two Matched Groups Multiple Groups.

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462 views • 30 slides

Single Factor Experimental Designs II

Single Factor Experimental Designs II. Lawrence R. Gordon. REVIEW. Two-level single factor (IV) designs: Independent groups * Matched groups ** Nonequivalent groups * Repeated measures ** * use t-test for independent means ** use t-test for paired means. MULTIPLE LEVEL DESIGNS.

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370 views • 14 slides

Significance Testing

Significance Testing. Difference between two means. Review. What does significance mean? Why do we use the symbol P&lt;.05 to indicate significance?. Defining significance. An event is very unlikely to have happened by chance IF the null hypothesis is true. .

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347 views • 9 slides

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