Increasing the Volume of the Voice Received and Reducing Other

question 2

Multiple Choice

Increasing the volume of the voice received and reducing other environmental sounds is achieved by the use of

• A) bone-anchored hearing aids.
• B) assistive listening devices.
• C) directional microphones.
• D) implanted hearing aids.

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Definitions:

Dependent Variable

The variable in an experiment that is expected to change as a result of manipulations made to the independent variable.

Predictor Variable

A variable that is used in statistical models to predict the outcome of a response variable.

Correlations

A statistical measure that indicates the extent to which two or more variables fluctuate together, showing the strength and direction of a relationship between them.

Absolute Values

The non-negative value of a number regardless of its sign; it represents the distance of a number on the number line from zero.