Answer:
The interviewer can explain complex questions and show visual aids if needed
Step-by-step explanation:
The mall-intercept interview method is a technique in which people that are visiting a mall are stopped to ask them questions. This method allows to give detail explanations if people don't understand the questions, visuals can be used and it is easier to convince someone to participate in it when compare to other methods like phone interviews. According to this, the answer is that the advantage of the mall-intercept interview method is that the interviewer can explain complex questions and show visual aids if needed.