AllPsych > Stats > Unit 5 > 22 – Summary of Statistical Techniques 22 – Summary of Statistical Techniques By Dr. Christopher L. Heffner Dr. Christopher L. Heffner August 23, 2014 22 – Summary of Statistical Techniques2014-11-25T20:02:00+00:00 SUMMARY of STATISTICS Which measure of central tendency is best? How do you determine the spread of scores? Assessing Relationships between variables. Comparing the difference between means. Working with Multiple variables.