Photograph B displays a page from the Binet-Simon Scale guide, an early intelligence assessment tool. This sample includes six facial sketches organized into three numbered rows of two. The image acknowledges Dr. Oliver P. Cornman and the Philadelphia Committee on Backward Children Investigation for lending the illustrations, citing a report from December 31, 1910.

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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.

Alfred Binet's Intelligence Test

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

The Stanford-Binet Intelligence Scale is an influential intelligence assessment created by Stanford professor Louis Terman, who modified Alfred Binet's original work for use in the United States. Terman standardized the test's administration and normed it by testing thousands of children across various ages to establish an average score for each age group, ensuring reliable comparisons.

Stanford-Binet Intelligence Scale

Photograph A portrays Alfred Binet, the prominent French researcher credited with developing the first systematic and reliable assessment of intelligence during the early 1900s.

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