Kay & Maggie's, a Chain of Beauty Salons, Has Its

Kay & Maggie's, a chain of beauty salons, has its outlets in all the malls in the city. It is conducting a survey to find out how satisfied its customers are with the service provided at all its outlets. In all the city malls, a mall interviewer intercepts the customers who exit the salon and directs them to nearby computers. The customers type the answers to the questions displayed on the computer screen. What is this an example of?

A) computer-assisted personal interviewing
B) a focus group
C) an executive interview
D) computer-assisted self-interviewing