When the mediator gives opinions about the merits of a case, this is called

evaluative mediation

Explanation: In evaluative mediation, however, the mediator gives opinions about the merits of the case, pointing out weaknesses in the position of the parties, and may predict what a judge or jury likely would do. Evaluative mediators may have special expertise in the area of law in question. An evaluative mediator might make formal or informal recommendations to the parties as to the outcome of the issues. Mediation of malpractice claims is often evaluative mediation.