Developmental differences in children’s learning and use of forensic ground rules during an interview about an experienced event.

Children often answer questions when they do not have the requisite knowledge or when they do not understand them. We examined whether ground rules instruction-to say "I don't know," to tell the truth, and to correct the interviewer when necessary-assisted children in applying those rules during an interview about a past event and whether doing so was associated with more accurate accounts. We compared children with intellectual disabilities...