Answer :
If Sergio, a very bright 10-year-old with a mental age of 13, is tested on the Stanford-Binet Intelligence Scale, his IQ score would most likely be higher than the average score for his chronological age.
The concept of mental age and IQ score is often used in intelligence testing. Mental age refers to the level of cognitive functioning or intellectual abilities demonstrated by an individual, while chronological age refers to the actual age of the person. In this case, Sergio's mental age of 13 suggests that he possesses intellectual abilities typically seen in a 13-year-old.
When tested using the Stanford-Binet Intelligence Scale, which compares an individual's performance to age norms, Sergio's IQ score would likely be higher than the average score for his chronological age of 10. This indicates that Sergio's cognitive abilities are advanced for his age.
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