IQ Tests: A Century of Measuring Intelligence
IQ tests, originally developed by French psychologist Alfred Binet, have been a crucial tool in diagnosing intellectual disabilities and measuring intellectual potential for over a century. These tests, translated into English by American psychologist Henry Herbert Goddard, have evolved significantly since their inception.
The first IQ tests were introduced in the early 1900s by Alfred Binet, with further popularization in the U.S. by Lewis Terman and Henry Herbert Goddard. Today, IQ tests are widely used to identify learning disabilities, with 85% of intellectually disabled children scoring between 55 and 70. A score of 100 is considered average, with high scores (over 100) indicating above-average intelligence.
Modern IQ tests are just one piece of the puzzle in diagnosing intellectual disabilities. They should not be the sole measure of intelligence. Prenatal screenings can also help detect potential intellectual disabilities, with follow-up IQ tests in early childhood if necessary. Extremely low scores (below 70) may indicate an underlying learning disability and warrant further testing.
IQ tests, with their roots tracing back to Binet and popularized by Goddard, continue to play a vital role in understanding and supporting individuals with intellectual disabilities. However, it's crucial to remember that they are just one tool among many, and their results should be interpreted with care and in conjunction with other assessments.
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