Advantages of telephone survey method

(1) has the fastest access to market information;

(2) Save the investigation time and funds;

(3) the coverage is wide, and any area, unit or individual with a telephone can investigate;

(4) Respondents can speak freely without psychological pressure from the presence of investigators, and the answer rate is high;

(5) For people who are not easy to meet, such as some celebrities, this method may be successful;

(6) Computer-aided telephone system is more conducive to monitoring access quality; The management of visitors is more systematic and standardized, realizing centralized management and timely feedback.