A Step-by-Step Approach to Using SAS® for Univariate & Multivariate Statistics, Second Edition

Example with Nonsignificant Differences between Experimental Conditions

In this section, you repeat the preceding analysis, but this time you perform it on a dataset that was designed to provide nonsignificant results. This will help you learn how to interpret and summarize results when there are no significant between group differences.

Data for the New Analysis

Here is the dataset to be analyzed in this section of the chapter:

DATALINES;
1 15
1 17
1 10
1 19
1 16
1 18
2 14
2 17
2 16
2 18
2 11
2 12
3 17
3 20
3 14
3 16
3 16
3 17
;
RUN;

Remember that the first column of data (in column 1) of the preceding dataset represents each participant’s score on REWARDGROUP (i.e., the type of rewards independent variable). The second column of data in columns ...