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When he was 6 years old,Ron could recite O Canada from memory.When Ron was 9 years old,he began to understand what the words in the song meant.Finally,at age 12,Ron realized the political importance of our national anthem.This illustrates the concept of
Mental Age
A measure of an individual's mental aptitude based on the average abilities of a certain age group.
Chronological Age
The actual age of a person or object, measured in years from the date of birth or creation.
Alfred Binet
A French psychologist who, with his colleague Théodore Simon, developed the first practical intelligence test in the early 20th century.
Intelligence Level
A measure of one's cognitive abilities, including the ability to learn, understand, reason, plan, and solve problems, often assessed through standardized intelligence tests.
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