PROBLEM TO BE SOLVED: To automatically remove an unreliable questionnaire answer.;SOLUTION: The automatic removing method for reliability-doubtful answers of a questionnaire research using portable telephone, etc., includes a process (S11) of previously recording properties of questionnaire answers in a storage device together with ID symbols of communication terminals that questionnaire answerers have, a process (S12, S13) of sending questionnaires to only specific communication terminals according to questionnaire contents, a process (S14) of receiving and recording the questionnaire answers, a process (S21) of analyzing and totaling the questionnaire answers and specifying questionnaire answerers meeting previously set reliability-doubt conditions, and a process (S22) of removing questionable answerers from the questionnaire answerers and disabling them to participate in following questionnaires or excluding them from effective answers.;COPYRIGHT: (C)2003,JPO
展开▼