• Ravi wants to know what impact switching to a commission versus a salary system will have on his sales employees effectiveness. He selects two of the seven sales regions he is responsible for and changes their pay from salary only to commission only (IV). He compares monthly sales data (DV) for six months prior and six months after this change for the new commission-only regions, and also compares these numbers to the other five salary-only regions.
  • What form of study design is this?
  • Will the researcher be able to make claims about causality with this study?