Stanford Binet Revision 1937 revision of the Stanford-Binet Intelligence Scale was developed by American psychologist Lewis Terman and his student Maud Merril. The revision was a modification of the 1916 Stanford-Binet, which was an adaptation of scales developed in France by Binet. The 1937 revision was more reliable and objective than the 1916 version, and it included a second set of questions to prevent people from learning the answers to the original. The 1937 revision used a variety of materials, including word-naming and comprehension, non-verbal tests, beads, coloured cubes, and form boards.
The 1937 revision of the Stanford-Binet Intelligence Scale for Children had the following characteristics:
- The 1937 revision introduced a second set of questions, called Form M, to prevent coaching. Form M was designed to be equivalent to Form L, which was closer to the 1916 Stanford-Binet.
- The 1937 revision used a sample of 3,000 American-born white children, 50% of whom were American-born and the majority of the rest of European descent.
- The 1937 revision was more reliable and objective than previous versions.
- Terman and Merrill were the first to introduce the partial score system.
- In their edition, Terman and Merrill divided the 129 items into 20 age groups.
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