Which of the following is the correct definition of intellectual disability?
A) It is a condition of limited mental ability in which the individual (1)has a moderately-low IQ,usually above 50 on a traditional intelligence test; (2)has slight trouble adjusting to the demands of everyday life; and (3)first displays these characteristics by age 25.
B) It is a condition of limited mental ability in which the individual (1)has a low IQ,usually above 70 on a traditional intelligence test; (2)has little or no trouble adjusting to the demands of a competitive environment; and (3)first displays these characteristics by age 5.
C) It is a condition of limited mental ability in which the individual (1)has a low IQ,usually below 50 on a traditional intelligence test; (2)has a lot difficulty adapting to the demands of a competitive environment; and (3)first exhibits these characteristics by age 25.
D) It is a condition of limited mental ability in which the individual (1)has a low IQ,usually below 70 on a traditional intelligence test; (2)has difficulty adapting to the demands of everyday life; and (3)first exhibits these characteristics by age 18.

Question

Quizplus · Accepted Answer

Intellectual disability is a condition in which an individual has significant limitations in intellectual functioning (measured by IQ) and adaptive behavior. The correct definition is option D, which states that the individual has a low IQ, below 70 on a traditional intelligence test, has difficulty adapting to the demands of everyday life, and first exhibits these characteristics by age 18. The other options have incorrect IQ ranges, descriptions of adaptive behavior, or onset age.

Which of the Following Is the Correct Definition of Intellectual