what are the two related designs ?
matched pair and repeated measures
what are the unrelated design ?
independent group design
statistical test
used in psychology to determine whether a significant difference or correlation exists
acronym for choosing statistical test :
carrots should come mashed with swede under roast potatoes
what are the three factors to consider when choosing a statistical test ?
which tests need to be less than critical value in order to be statistically significant ?
sign test
wilcoxon
mann whitney
which tests need to be greater than critical value in order to be statistically significant ?
repeated t test unrelated t test pearson's r spearman's rho chi - squared