When the BBC Played an Announcement 25 Times a Day

question 33

Multiple Choice

When the BBC played an announcement 25 times a day for several weeks, listeners' memories for the announcement _____, demonstrating that mere exposure to information _____.

• A) improved; does not improve memory
• B) did not improve; improves memory
• C) improved; improves memory
• D) did not improve; does not improve memory

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Definitions:

Phase Conductors

The wires or cables in an electrical system that carry the alternating current between the source and the load, in one or more phases.

Neutral Conductor

A conductor that carries current back to the source in electrical systems and is at a potential of zero volts.

Sequence

An ordered collection of objects or events that follow a specific pattern or arrangement.

Harmonic

A sinusoidal component of a periodic wave or quantity having a frequency that is an integral multiple of the fundamental frequency.