Lack of personal knowledge. Oath or affirmation. Interpreters. Judge as witness. Juror as witness. Who may impeach. Evidence of character and conduct of witness. Impeachment by evidence of conviction of a crime. Religious beliefs or opinions. Mode and order of witness interrogation and presentation. Writing used to refresh memory. Prior statements of witnesses. Calling and interrogation of witnesses by court. Exclusion of witnesses. Presence in courtroom of victim of criminal offense. Article 3 Use of Sign Language and Intermediary Interpreter in Administrative and Judicial Proceedings 24-6-650. 24-6-651. 24-6-652. 24-6-653. 24-6-654. 24-6-655. 24-6-656. Article 2 24-6-657. Credibility 24-6-620. 24-6-621. 24-6-622. Credibility a question for trier of fact. Impeachment by contradiction. Witness’s feelings towards and relationship to parties provable. Treatment of witness. 24-6-658.