In the interests of accountability and transparency O’Sullivan Solutions contracts an independent and external MII assessor to carry out the assessment process. Less than 1% of participants chose to not sit the end of programme external assessment. The pass rate for OSullivan Solutions assessment is over 96% for the first attempt. The very low number of participants that are not successful are invited to join the following programme with no additional training costs. The O'Sullivan Solutions pass rate for the second attempt is 100%. For the external assessment each candidate is given a printed copy of a scenario of a conflict in which they play the role of the mediator. Class colleagues play the role of the parties to the conflict. The assessment commences with a short interview with the candidate to ascertain how they contacted the parties in dispute, how they set up the mediation etc.
Participants then take part in a one-hour role play which is observed by the assessor. The goal in the role play is not necessarily to get to the agreement stage in this one hour, but to demonstrate good process and good skills based on the competency levels required by the MII. These competency levels are used as a tool throughout the training programme to ascertain the progress of the participants and so candidates are well versed in them prior to the assessment. After their assessment role-play participants take a filmed copy of the role play home with them and are given a set period of time by which they send their self-reflection on their role-play to the assessor. This self-reflection forms part of the assessment process.