The inaccurate perception that makes Alice respond to the word "mom" is known as; perceptual expectancy.
Perceptual expectancy is a term in psychology that refers to a series of expectations that affect people in such a way that it makes them hypersensitive to certain types of information.
This perceptual expectancy is a predisposition that affects peoples' view of objects in all the various human senses.
Alice thought it was her daughter that called her because she has been accustomed to and she has registered the way her daughter usually calls her. Thus, this inaccurate perception makes Alice respond to the word "mom" only to realize that the sales clerk said "ma'am" to a customer.
Read more about perceptual expectancy at; brainly.com/question/1838569