Which of the following intelligence test is useful to measure intelligence quotient of a person who is illiterate, deaf and dumb ?
MH SET - 2023, SET Exam - 2023,
Answer: A
The suitable test is Bhatia's performance test.
C.M. Bhatia's Battery of Performance Tests of Intelligence (1955) is a non-verbal test made up of tasks such as Koh's block design, pattern drawing, picture construction and immediate memory. Because it needs no reading or speech, it can be used with illiterate people and with those who cannot hear or speak.
The Otis test and the Simplex mental test are verbal group tests that require reading, and Terman's Stanford-Binet relies heavily on language. They would underestimate the intelligence of a person who is illiterate or has a hearing and speech impairment.
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