Dr Hoff Is Curious as to Whether Children in a Kindergarten

question 10

Multiple Choice

Dr. Hoff is curious as to whether children in a kindergarten classroom will be friendlier after talking about friendship. Immediately before and after the discussion, she has several undergraduate research assistants code the "friendliness" of a group of kindergarteners. Which of the following threats should Dr. Hoff be most concerned about?

• A)History
• B)Maturation
• C)Instrumentation
• D)Testing

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Definitions:

Income Elasticity

measures how much the quantity demanded of a good changes in response to a change in consumers' income.

Midpoint Method

A technique used in economics to calculate the percentage change between two values, averaging the initial and final values to estimate elasticity.

Normal Good

A good for which demand increases as the income of the consumer increases, holding all else constant.

Production Capacity

The maximum output that a business can produce in a given period under normal conditions.