Answer :
Final Answer:
If a four-year-old child were shown to have a mental age of four when taking the Stanford-Binet test, the child's IQ would be 100.
Explanation:
The concept of IQ (Intelligence Quotient) is based on the formula IQ = (mental age / chronological age) * 100. In this case, the child's mental age and chronological age both are four years old. So, the calculation would be:
IQ = (4 / 4) * 100 = 1 * 100 = 100.
This means that the child's IQ is 100, which is considered the average IQ for individuals of the same chronological age. An IQ of 100 is the benchmark, and it indicates that the child's intellectual development is on par with their age group.
The IQ score is a measure of a person's cognitive abilities compared to their age group, and in this scenario, the child's performance on the Stanford-Binet test suggests that they are developing at an age-appropriate level.
An IQ of 100 signifies average intellectual abilities for a child of their age, and deviations from this score in either direction can indicate advanced or delayed cognitive development.
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