Correlations, t-tests and non parametric testing 0.0 / 5 ? PsychologystatsUniversityNone Created by: k4te18Created on: 14-05-18 15:29 When the scatterplot forms a straight line perfect correlation 1 of 6 correlation coefficient letter r 2 of 6 When there is one group of scores and you want to see whether their mean is significantly different from a specific number one-sample t-test 3 of 6 Variances and standard deviations of each group should be approximately equal homogeneity of variance 4 of 6 Tests that don't make assumptions non-parametric 5 of 6 When researcher's expectations influence study outcomes experimental bias 6 of 6
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