ADHD Mental Age Chart: Executive Age at Every Age, Explained
An ADHD mental age chart estimates executive age as roughly 70% of real age. Here is the chart for ages 6 to 40, where the 30% rule comes from, and how to use it well.
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Mental Age Calculator: How to Turn an IQ Score Into a Mental Age
A mental age calculator multiplies IQ by age and divides by 100. Here is how to use it correctly, a lookup table by age, and why results fail for adults.
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IQ of 70: What Is the Mental Age? (Child and Adult Math)
Under the ratio formula, an IQ of 70 means a mental age of 70% of real age: about 7 for a 10-year-old and 11 to 12.5 for adults. Here is the math, a table for nearby scores, and what 70 means on modern tests.
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Mental Age vs Chronological Age: What the Gap Really Means
Chronological age is the time since you were born; mental age is the age group whose typical performance matches yours. Here is how the two compare, how they formed the first IQ scores, and what an online result really means.
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Mental Age in Psychology: Definition, Formula and Why It Changed
Mental age is a score from early intelligence tests that names the age group whose average performance a person matches. Here is the definition, the original IQ formula, and why psychologists replaced it.
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How to Remember Everything You Read: A 7-Step System That Works
You can’t remember every word you read, but you can keep the ideas that matter. This 7-step system uses active recall and spaced review, and adds about five minutes per chapter.
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How to Increase Memory Power: 10 Science-Backed Ways
Memory power is not fixed. These ten evidence-based habits, ranked by impact, show you how to remember more of what you study, with a revision schedule and a 7-day plan.
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How to Calculate Mental Age
To calculate mental age, multiply the IQ score by the chronological age. Then divide by 100. Mental Age = IQ × Chronological Age 100 Example: A 10 year old with an IQ of 120 has a mental age of 12. The math is 120 × 10 ÷ 100 = 12. This formula comes from the…
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