...
Setting up the Grid.
Rogo uses Ebel Grid Templates to set up the grid and then the template is applied to the examination. Each cell must specify a percentage of its questions that a borderline candidate is expected to get right.
...
Borderline Model
Rogo uses this model in OSCE Stations. At the end of the OSCE Station, the examiner will record whether the candidate has passed, failed or is a borderline candidate. However the OSCE Station has also recorded the candidate's total marks. Borderline standard setting takes the median of the marks of all the borderline candidates for that station. Borderline candidates who exceed the median are subsequently passed, and those who don't are failed.
...