Charlotte Is Studying Subliminal Messages and Weight Loss

question 17

Essay

Charlotte is studying subliminal messages and weight loss. She is curious whether people will lose more weight if they hear subliminal messages that encourage weight loss ("don't eat that food," "you want to be thin," etc.) in the music on their iPods than will people who do not have subliminal messages in their music. She studies 40 people and finds the following results:

Although Charlotte is concerned with exposure to subliminal messages, she collects data from people not exposed to subliminal messages. What is this group called? Why must this group be included in her study?

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Definitions:

Monetary Policy

Actions undertaken by a central bank to control the money supply and interest rates in the economy.

Deposit Expansion Multiplier

A ratio that measures the potential increase in total bank deposits that can result from an initial deposit, based on the reserve requirement ratio.

Government Securities

Financial instruments issued by the government to borrow money from investors that usually come with a promised set of future payments.

Depository Institutions

Financial institutions that accept deposits from the public, such as banks, credit unions, and savings and loan associations.