There Are Instances in Which a Marketing Researcher May Want

question 50

Multiple Choice

There are instances in which a marketing researcher may want to use an independent variable that:

• A)Embodies interval-scaling assumptions.
• B)Does not embody ordinal-scaling assumptions.
• C)Embodies a ratio variable assumption.
• D)Does not embody interval-scaling assumptions.

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Definitions:

On/off Control

A straightforward control technique which switches a system or device between its operational and non-operational states.

Analog Control

A method of controlling systems using continuous signals rather than digital or discrete signals.

Final Control Element

The component in a control system that directly regulates the flow of energy or material in the process, such as a valve or actuator.

Time Proportioning Control

A control method where the output is turned on and off at a rate proportional to the error value, used in PID controllers, for precise control.