The effects of alcohol intake on aggressive driving are studied in a group of students tested on a driving simulator. One group of 15 students is tested first with a placebo, given an ounce of alcohol, waits 30 minutes, and is tested again. Number of crashes are counted. Did consuming alcohol change aggressive driving behavior? Choose the correct test to analyze this question, set up the SPSS file, and run the analysis. Follow the directions on the following page.
Placebo 7 7 5 8 10 13 12 11 11 15 8 9 7 7 6
Alcohol 10 15 12 8 5 21 10 11 13 20 8 9 17 18 19
What kind of test would I use to determine this?