Which of the Following Phrases Describes a Manipulated Variable

question 7

Multiple Choice

Which of the following phrases describes a manipulated variable?

• A)"Participants wrote down how many text messages they had sent the day before."
• B)"Researchers recorded whether participants volunteered to help the student in need or did not volunteer."
• C)"Participants were placed in the high tempo music condition, the low tempo music condition, or the no music condition based on which color card they randomly drew from a deck."
• D)"Researchers recorded the length of time participants took to complete the anagrams."

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Definitions:

Real GDP Per Person

An economic metric that measures the value of all goods and services produced within a country in a specified period, adjusted for inflation and divided by the population.

Inward-Oriented Policy

An economic policy strategy that emphasizes domestic industry protection and self-sufficiency over global trade.

Trade Restrictions

Measures imposed by governments to regulate or limit the exchange of goods and services across borders.

World Bank

An international financial institution that provides loans and grants to the governments of poorer countries for the purpose of pursuing capital projects.