![]() ![]() In our enhanced guide we show you how to run custom contrasts in SPSS Statistics using syntax (or sometimes a combination of the graphical user interface and syntax) and how to interpret and report the results. All these types of custom contrast are available in SPSS Statistics. You might have had an interest in understanding the difference in completion time between the beginner course group and the average of the intermediate and advanced course groups. ![]() However, you do not have to confine yourself to the comparison between two time points only. This type of comparison is often called a planned contrast or a simple custom contrast. For example, you might have expressed an interest in knowing the difference in the completion time between the beginner and intermediate course groups. It is also possible to run comparisons between specific groups that you decided were of interest before you looked at your results. Published with written permission from SPSS Statistics, IBM Corporation. ![]()
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