The Impact of Court Procedure on the Psychology of Judicial Decision Making

Court procedures matter. But why do they matter, and how? There is hardly another context in which decision making is so densely embedded in a host of formal and informal institutions. Courts do not themselves have the right of initiative. They must wait until a plaintiff or the attorney general brings a case forward. These same actors also define the issue. The court is not allowed to go beyond the claim, unless both parties voluntarily agree on a broader definition. Most importantly, courts are not free to determine the output. It is their task to apply the law in force to the facts of the case, as presented by the parties. In order to become decision relevant, facts must go through strictly defined procedural routes. If a fact is contested, it may only be taken into account if formally proven. There is an exhaustive list of evidence admissible in court. Informal rules, for instance, determine the structure and the wording of the pleadings, and of the representation of the final deci