A contrast analysis is a specific type of analysis that tests for nuanced differences between groups within a dataset. A contrast analysis can offer additional insight into group differences, as it is able to test for more precise and specific differences among groups of data. Within a contrast analysis, the researcher can use contrast coefficients to weight the means of specific cases being analyzed. This allows the researcher to predict specific differences between cases, and then test to see whether those differences are reflected in the data. A contrast analysis typically utilizes two statistics to interpret the analysis: a probability level determined from the contrast [Page 249]value and an effect size. Contrast analyses can be utilized differently depending on the orthogonality of the ...
Looks like you do not have access to this content.