On Average, How Many Hours Per Day Does a Child

question 10

Multiple Choice

On average, how many hours per day does a child between eight and eighteen spend in front of some kind of screen (TV, computer, or smartphone/mobile device) ?

• A) 4
• B) 5
• C) 6.5
• D) 8

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Definitions:

Timbre

The characteristic of a sound that sets it apart from other sounds with identical pitch and loudness.

Perception

The process by which individuals interpret and organize sensation to produce a meaningful experience of the world.

Loudness

A measurement of the perceived intensity or volume of sound by the human ear.

Complex Waveform

a signal or sound that consists of multiple frequencies and amplitudes, making it more elaborate than a simple sine wave.