Answer the Question. -Which of the Following Describes a Study in Which Neither

question 1

Multiple Choice

Answer the question.
-Which of the following describes a study in which neither the participants nor the experimenters know which participants are in the control group?

• A)Case-control study
• B)Observational study
• C)Double-blind experiment
• D)Single-blind experiment

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Definitions:

Barter Economy

An economic system where goods and services are exchanged directly for other goods and services without using money.

Double Coincidence

A situation in a barter system where two parties each hold an item the other wants, facilitating an exchange without the need for money.

Barter

The exchange of one good or service for another good or service; a trade.

M2

A measure of the money supply that includes all elements of M1 (cash and checking deposits) plus savings deposits, money market mutual funds, and other time deposits.