Suppose That Danielle Was an Eyewitness to a Store Robbery

question 3

Multiple Choice

Suppose that Danielle was an eyewitness to a store robbery. She gives the police a description of the criminal: "30-35 year-old male, brown hair, light eyes, about 5'10", with a missing finger on his left hand." A few weeks later, police track down a suspect. He fits Danielle's description, and additionally has a lazy eye and a huge tattoo on his neck. If police use the match-to-culprit approach in constructing a lineup for eyewitness identification, then the foils in the lineup ____.

• A) may or may not have brown hair
• B) will definitely have brown hair, but may or may not be missing fingers
• C) will definitely have brown hair and missing fingers, but may or may not have a tattoo
• D) will definitely have brown hair, missing fingers, and a tattoo

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Definitions:

Diminishing Marginal Utility

Diminishing marginal utility is the principle stating that as a person consumes more of a good, the satisfaction gained from consuming each additional unit decreases.

Income Effect

Refers to the change in an individual's or economy's income and how that change will impact the quantity demanded of a good or service.

Substitution Effect

The change in consumption patterns due to a change in the prices of goods, leading consumers to replace more expensive items with cheaper alternatives.

Demand

The desire and ability of consumers to purchase goods and services at different prices, reflecting how much of a product consumers are willing and able to buy.