The 1908 revision of the Binet and Simon scale included the following innovations):
A) introduction of the IQ concept
B) classification of levels of intelligence
C) introduction of the concept of mental level
D) all of the above

Question

Quizplus · Accepted Answer

The 1908 revision of the Binet and Simon scale introduced the concept of mental level, which refers to the typical intelligence level found for people at a certain chronological age. This concept was foundational in the development of intelligence testing. The IQ concept and classification of levels of intelligence were not introduced in the 1908 revision.

The 1908 Revision of the Binet and Simon Scale Included