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Iq Formula Calculator With Explanation and Example

IQ Formula:

\[ IQ = \left( \frac{\text{Mental Age}}{\text{Chronological Age}} \right) \times 100 \]

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1. What is IQ?

IQ (Intelligence Quotient) is a score derived from standardized tests designed to measure human intelligence. The original IQ formula compares mental age to chronological age.

2. How Does the Calculator Work?

The calculator uses the original IQ formula:

\[ IQ = \left( \frac{\text{Mental Age}}{\text{Chronological Age}} \right) \times 100 \]

Where:

Example Calculation: If a 10-year-old child has the mental ability of a 12-year-old, their IQ would be (12/10) × 100 = 120.

3. Importance of IQ Calculation

Details: While modern IQ tests use different scoring methods, understanding the original formula helps in comprehending the concept of intelligence measurement and its development over time.

4. Using the Calculator

Tips: Enter both mental age and chronological age in years. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Is this the same as modern IQ tests?
A: No, modern tests use deviation IQ with a mean of 100 and standard deviation of 15, but this shows the original concept.

Q2: What is considered a normal IQ?
A: Most people (about 68%) score between 85 and 115 on modern IQ tests.

Q3: Can IQ change over time?
A: Yes, IQ scores can change due to education, environment, and other factors.

Q4: What are the limitations of IQ tests?
A: They measure specific cognitive abilities, not overall intelligence or potential.

Q5: How accurate is this simple formula?
A: It's a simplified version for educational purposes; professional assessments are more comprehensive.

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