Table. 1 Assumptions made for test interpretation and use (to be tested in the subsequent steps)
Sources of evidence | ||||
|---|---|---|---|---|
A) Test Content | B) Response Processes | C) Internal Structure | D) Relations to other Variables | E) Consequences |
Assumptions | ||||
 Tasks are authentic and relevant to all branches and correspond to real-life workplace situations | Commercial apprentices understand the skill-based tasks and the knowledge-based items | The two-dimensionality of the construct can be confirmed empirically | Apprentices with higher marks in E&S and ICA perform better than apprentices with lower marks | An instrument for the measurement of basic knowledge and skills in commercial VET is available |
 Knowledge-based items are relevant for the final exams and representative of BA | Commercial apprentices know where to find material and where to look for information | The test measures basic commercial knowledge and skills reliably | Apprentices with higher scores on the intelligence test perform better than apprentices with lower scores | Feedback is appropriate for a determination of the status quo |
M-profile apprentices perform better than E-profile apprentices | The instrument is not used for qualification or selection processes | |||