Answer:
b. intellectual disability.
Step-by-step explanation:
Intellectual disability is characterized by limitations in general mental skills. These skills are linked to intelligence, activities that involve reasoning, problem solving and planning, among others. Intelligence is assessed using the Intelligence Quotient (IQ) obtained by standardized tests. The result of a person with Intellectual Disability in this assessment is 75 or less. Like Fred who has an IQ of 65.
It is characterized by important limitations in both intellectual functioning and adaptive behavior, expressed in conceptual, social and practical skills. Individuals with Intellectual Disabilities have significantly lower than average intellectual functioning.