IDD – KnowNeuropsychology

These learning questions are brought to you by KnowNeuropsychology & the Association for Doctoral Education in Clinical Neuropsychology (ADECN).

*This quiz has 5 multiple-choice questions.

1 / 5

Which of the following factors would most strongly suggest Autism Spectrum Disorder rather than Intellectual Developmental Disorder alone?

Deficits in academic achievement

Delays in adaptive functioning

Social difficulties that are consistent with overall developmental level

Restricted interests, insistence on sameness, and social communication deficits that exceed expectations for developmental level

Intellectual functioning be

2 / 5

A child obtains IQ scores in the low 70s but demonstrates substantial deficits in adaptive functioning across home, school, and community settings. According to the lecture, which factor should be most important when considering a diagnosis of intellectual developmental disorder?

Full Scale IQ alone

Academic achievement scores

Adaptive functioning and clinical judgment

Behavioral observations only

Family history

3 / 5

What is a major limitation of relying exclusively on norm-referenced scores when evaluating individuals with moderate-to-profound intellectual disability?

They cannot be compared across tests

They may mask developmental progress because of floor effects

They overestimate adaptive functioning

They are not standardized

They cannot be used for diagnosis

4 / 5

Which of the following statements about decision-making capacity is most consistent with the lecture?

Individuals with low IQ scores automatically lack capacity.

Capacity should be determined based on adaptive functioning scores alone.

Capacity is decision-specific and should be assessed functionally.

Guardianship is recommended for all adults with IDD.

Capacity and intelligence are synonymous.

5 / 5

According to DSM-5 and the American Association on Intellectual and Developmental Disabilities (AAIDD), which of the following is required for a diagnosis of Intellectual Developmental Disorder (IDD)?

IQ score below 70 and deficits in academic achievement

Deficits in intellectual functioning, deficits in adaptive functioning, and onset during the developmental period

Deficits in adaptive functioning only

IQ score below 85 and evidence of a neurological disorder

Significant behavioral difficulties and language impairment

Your score is

Comprehensive Neuropsychological Evaluation and Resources for Patients with Intellectual Developmental Disorder

Kritika Nayar, PhD, MS