(I) It has been estimated that at least 100,000 children testify in court cases in the US every year. (II) This figure does not include the much larger number of instances in which children provide evidence outside court. (III) In recent years, a number of researchers have performed studies that speak directly to this important question. (IV) The cases in which children testify have a range of topics, but the most frequent category among criminal trials, accounting for about 13,000 cases each year, is child sexual abuse. (V) In most instances of alleged abuse, the child witness is also the target of the abuse.