Research Methods

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4 Terms

1
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Explain what is an analysis of Covariance

prarametric statistical procedure for removing the effects of a variable that is highly correlated w DV

2
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What are the 3 required assumptions for parametric statistics

  • Data are normally distributed

  • Independent data collected from a population

  • Homogeneity of variance in groups

3
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Explain what is the Chi-square test

  • goodness of fit

  • test of independence

  • no nonparametric equivalent

  • compares observed data to expected data

4
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Explain the High-Hyman law

Rxn time increases by 150ms when the stimulus-response alternatives double.