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In the late 1800s, Sir Francis Galton pioneered the field of intelligence assessment by developing the first broad test designed to measure intelligence. Although he was not a psychologist, his foundational work contributed significantly to the concepts and development of modern intelligence testing.

Sir Francis Galton's Contribution to Intelligence Testing

In the early 1900s, the French government commissioned researcher Alfred Binet to create an assessment to identify children who might face academic difficulties. His resulting intelligence test, which focused heavily on verbally-based tasks, marked the beginning of reliable and systematic intelligence testing.

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