A second mental model that can help you with confirmation bias is the Devil's advocate position. This was once an official position in the Catholic Church used during the process of canonizing people as saints. Once someone is canonized, the decision is eternal, so it was critical to get it right. Hence this position was created for someone to advocate from the Devil's point of view against the deceased person's case for sainthood.
Chapter:
Being Wrong Less
Section:
Progress, One Funeral At A Time