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95f8b0b9ca627121e449bec6bf72cc81.docx - Sport and Exercise...

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Sport and Exercise ScienceBIOL1032 – Research Methods 2Testing and Reporting Statistics1.BASICSDegrees of freedom (dof) = number of scores that are free to vary in calculating a statistic.Standard error (SE) is the standard deviation of all the sample means.Significance - statisticians commonly use two cut-off points, the 5% level and the 1% level.Resultsare significant when the probability is LESS THAN .05 or .01 respectively.Data typeDescriptionExampleTestNominalName onlyColoursChi-squareOrdinalRanked and/or subjective dataQuestionnaire scoresNon-parametricIntervalLinear measurement scaleHeightParametric OR non-parametric2.WHICH TEST? – three questions:1.Is the dataparametricornon-parametric2.Type of test -differenceorrelationshipa. Ifdifferencetest, are the data setsindependentorrelated???

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