Which of These Is NOT Scientific

question 2

Multiple Choice

Which of these is NOT scientific?

• A)A study determines differences in the species composition in two parks.
• B)People are immunized with different vaccines to determine their relative effectiveness against the flu virus.
• C)NASA sends tadpoles up in the space shuttle to see how gravity affects their development.
• D)Consumers are asked which tomato variety produces the best-tasting spaghetti sauce.
• E)A company uses different advertising methods for a product to determine which one produces the most sales.

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Definitions:

Market Price

The price at which a good or service can be bought or sold in a marketplace, determined by supply and demand.

Perfect Competition

A market structure characterized by a large number of small firms, a homogeneous product, free entry and exit, and perfect information.

Inelastic Demand

Demand that responds somewhat, but not a great deal, to changes in price. Inelastic demand always has a numerical value between zero and 1.

Zero Profits

A situation where a firm’s total revenues are exactly equal to its total costs, leading to no net profit or loss.