Young Gabriel Can Quite Easily Hear Pitches Ranging from 20

question 47

Multiple Choice

Young Gabriel can quite easily hear pitches ranging from 20 to 20,000 hertz. His ability to sense high-frequency sounds above 3,000 hertz is BEST explained by the _____ theory of pitch discrimination.

• A)frequency
• B)trichromatic
• C)gate-control
• D)place

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Definitions:

Common Cause Variation

Variation that is inherent in a process over time, caused by factors that are consistently and predictably present.

Control Charts

Visual tools used in statistical process control to monitor how a process changes over time, highlighting variations outside of predefined bounds.

Special Cause Variation

A type of variation in a process, identified as being caused by specific identifiable factors, unlike common cause variation which is inherent to the process.

Special Cause Variation

Variation in a process that is caused by specific, identifiable sources, unlike random variation, which is inherent in the process.