Which of These Is an Element of the Formal Definition

question 95

Multiple Choice

Which of these is an element of the formal definition of mental retardation?

• A) IQ below 70
• B) evidence of brain damage
• C) slower than normal reflexes
• D) onset of deficits prior to age 6

---

Definitions:

Network Externality

A situation where the value of a product or service increases as more people use it.

Intrinsic Value

The inherent or fundamental worth of something, not influenced by external factors or market conditions.

Extrinsic Value

The portion of an item's worth that is not inherent to the item itself but is attributed by external factors or circumstances.

Snob Effects

The phenomenon where the demand for a certain good increases as its price increases, because it is perceived as a status symbol.