Which of the following is a general rule for effective courtroom testimony?

Dressing in professional attire during courtroom testimony is crucial because it conveys respect for the court and the legal process. It helps establish credibility and authority, suggesting that the witness takes the proceedings seriously. Professional attire typically includes clothing that is neat, clean, and appropriate for the setting, which can positively influence how judges, juries, and attorneys perceive the witness.

In addition to appearance, effective courtroom testimony is also characterized by clear and concise communication, honesty, and a composed demeanor, which can further enhance the witness's reliability in the eyes of the court.