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The effect of delay and individual differences on children's tendency to guess.

Few researchers have investigated the factors that influence children's tendency to indicate correctly when they do not know the answer to a question. In this study, 5- to 8-year-olds witnessed a staged event in their classroom and were subsequently interviewed about that event either the following day or after 5 months. Some of the questions were answerable based on the information in the event, and some were unanswerable such that children would have had to guess to provide an answer. Individual-difference measures were taken of children's verbal ability and self-perceptions. Delay, verbal ability, and children's self-perceptions all affected whether children correctly indicated when they did not know the answer to a question.