**6. Limitations**

The results of the implemented study can be affected by different factors. The limitations and potential threats to validity are subsequently presented. The results are biased due to the participants' subjectivity, since the questionnaires were based on self-assessment statements. The study presents a student's insights into the used experiential learning approach. The study was made in an academic environment, wherein the approach was used for the classroom introduction of ERP systems to ERP newcomers. The study was carried out in an IT-related study program; consequently, the perceived usability of SAP ERP may differ if evaluated by students with different backgrounds and previous knowledge. The study was done using an SAP ERP solution and the traditional SAP GUI, as the used business simulation game runs on SAP ERP. Therefore, the results cannot be generalized to all ERP solutions.
