To provide an information collecting method and an information collection system which improve answer reliability, reflect the preference of a subject and also improve the collection rate of a questionnaire in answers to transmission information such as the questionnaire and to provide a central device and a recording medium.
The central device 10 preliminarily transmits transmission necessity information for inquiring the necessity to transmit the transmission information to a terminal device 20 carried by the subject 200. When the subject 200 transmits transmission request information in response to the transmission necessity information, question information is transmitted to the subject 200. The central device 10 also sums answer information on the basis of the time when the transmission request information is received, the position of the terminal device 20 at the point of the time, the time when the answer information to the question information is received and the position of the terminal device 20 at the point of the time.
NONAMI SHIGERU
IZUMA HIROAKI
YOSHIDA JUNJI
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