Doubling the Power Output from a Speaker Emitting a Single

question 38

Multiple Choice

Doubling the power output from a speaker emitting a single frequency will result in what increase in loudness?

• A) 0.33 dB
• B) 3.0 dB
• C) 4.8 dB
• D) 9.0 dB

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Definitions:

Augmenting Principle

A principle in attribution theory suggesting that if an event occurs despite the presence of strong opposing forces, we should attribute the event to the actions of the agent.

Self-Fulfilling Prophecy

A prediction that directly or indirectly causes itself to become true due to positive feedback between belief and behavior.

Self-Serving Bias

A cognitive bias that involves perceiving oneself in an overly favorable manner or attributing success to personal factors while attributing failures to external factors.

Actor-Observer Effect

The tendency to attribute one's own actions to external causes while attributing others' actions to internal factors.