One of Adalysis's prebuilt filters will help you quickly identify adgroups that require the most attention if you want to improve your Quality Score.  To access the filter, open the Adalysis Adgroups section, click on the Filters button, and select the prebuilt filter under the group Adgroups with quality score issues

1) Sort the list in the "Quality Score Priority" order by clicking on the corresponding column name. The priority order determines which adgroups are most in need of quality score improvement. The priority order was computed using the adgroup's quality score and its cost.

2) Use the various quality score tools and data to determine how best to improve each adgroup's quality score.