(1) Evidence is not to be adduced if, on objection by a party who is not represented in the proceeding by a lawyer, the court finds that adducing the evidence would result in disclosure of--(a) a confidential communication between the party and another person, or(b) the contents of a confidential document (whether delivered or not) that was prepared, either by or at the direction or request of, the party,for the dominant purpose of preparing for or conducting the proceeding.