AbstractThe 1988 and 1991 Criminal Justice Acts have transformed the law and procedure governing the appearance of children as witnesses in criminal trials. Traditional legal constraints such as the competency test, the requirement of corroboration, the special warning to the jury and the hearsay rule have all been abolished or extensively qualified. In addition, the 1988 Act introduced a major procedural change in the form of the video‐link which was designed to make it easier for children to give their evidence. A survey of existing research confirms that children do find the giving of evidence in open court stressful and that the experience may have long‐term adverse consequences. A study for the Home Office indicated widespread acceptance of the use of the video‐link among courtroom personnel and observational data confirm its effectiveness in empowering children's testimony. The 1991 Act allows pre‐recorded video‐taped interviews to be admitted as evidence in criminal cases but retains live cross‐examination via the link. The legal requirements of such interviews will place heavy demands on interdisciplinary cooperation in training and the establishment of good practice. The impact of this novel scheme on child witnesses and the court deserves rigorous