Bethany is trying to focus on a conversation across the room during a party she is attending. this is because she thinks she heard her name above the din of the conversation. her ability to hear her name is due to the mechanism of

her ability to hear her name is due to the mechanism of selective attention.

Explanation:

What is meant by selective attention?

Selective attention occurs when one tunes out every information that seem not important to them at that particular time.

They will not even hear anything else other than what they are interested to hear at that particular moment and they will usually pay attention to the object or subject for a long period of time fixated on that one subject or object.

i honestly have no idea