Which of the Following Is True of an Experiment

question 22

Multiple Choice

Which of the following is true of an experiment?

• A)It includes the voluntary participation of respondents in surveys, allowing individual marketers to add a small number of questions to an existing survey to receive cost-effective data on their questions.
• B)It can be obtained by watching how people behave, either in person or by using a machine to record events.
• C)It is a hybrid of primary and secondary research conducted by a research company, spreading the cost across many clients to reduce the price.
• D)It involves changing a variable involved in a purchase to find out what happens.

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Definitions:

Diol

An organic compound containing two hydroxyl groups (-OH) attached to different carbon atoms.

Antifreeze

A substance added to liquids, such as the water in a vehicle's radiator, to lower the freezing point and prevent it from freezing.

IUPAC Name

The systematic name assigned to a chemical substance, following rules established by the International Union of Pure and Applied Chemistry (IUPAC).

Thiol

Thiol is an organic compound containing a sulfhydryl (-SH) group attached to a carbon atom.