Journal
COGNITIVE DEVELOPMENT
Volume 25, Issue 3, Pages 233-246Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cogdev.2010.06.002
Keywords
Testimony; Perseveration; Naive physics; Gravity error
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Previous research has shown that young children make a perseverative, gravity-oriented, error when asked to predict the final location of a ball dropped down an S-shaped opaque tube (Hood, 1995). We asked if providing children with verbal information concerning the role that the tubes play, in determining the ball's trajectory would improve their performance. Experiment 1 showed that performance of 3.5-year-olds improved after hearing testimony about the movement of the ball. Experiment 2 showed that the specific content of the testimony - rather than any accompanying nonverbal cues - helped children improve. These findings suggest that other people's testimony can be a valuable source of information when young children learn about the physical world. Indeed, under some circumstances children seem to benefit more from verbal than visual information. An educational implication is that it may sometimes be ineffective to focus on the impact of first-hand experience while marginalizing the role of verbal information. (C) 2010 Elsevier Inc. All rights reserved.
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