Civil procedure is traditionally divided into inquisitorial and adversarial. The Tribunal process is inquisitorial, not adversarial. Criminal procedure can be either in form of inquisitorial or adversarial criminal procedure. Both inquisitorial and adversarial criminal justice systems are affected by confirmation bias. Proceedings before a Review Board are inquisitorial rather than adversarial. In inquisitorial systems of criminal investigation, a judge might also be an examining magistrate. In most civil law jurisdictions, courts function under an inquisitorial system. The proceeding in the inquisitorial system is essentially by writing. Proponents of inquisitorial justice dispute these points. The inquisitorial procedure is the least popular approach to mediation. Finland has a civil law (Roman law) system with an inquisitorial procedure. Trials were conducted under an inquisitorial system. These codes and procedures detailed how an inquisitorial court was to function. Civil law is often paired with the inquisitorial system, but the terms are not synonymous. The low standard of evidence used in the trial also violated inquisitorial rules.