All of the Following Are Classified as Pervasive Developmental Disorders

question 20

Multiple Choice

All of the following are classified as pervasive developmental disorders EXCEPT:

• A)Asperger's syndrome
• B)mental retardation
• C)childhood disintegrative disorder
• D)Rett syndrome
• E)autism spectrum disorder

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Definitions:

Substitution Effect

The change in demand for a good or service caused by a change in its price, making consumers choose alternatives.

Budget Constraints

The limitations on the spending behavior of consumers based on their income and the prices of goods and services, determining the possible combinations of goods and services they can afford.

Substitution Effect

The economic understanding that as prices rise or incomes decrease, consumers will replace more expensive items with less costly alternatives.

Income Effect

The variation in a person's or economy's earnings and the effect of this variation on the demanded quantity of a product or service.