A method and apparatus for assigning a survey to a respondent are provided. According to one technique, a set of one or more screening questions are generated and provided to the respondent. Input data is received in response to the respondent answering the set of one or more screening questions. Based...http://www.google.fr/patents/US20020128898?utm_source=gb-gplus-shareBrevet US20020128898 - Dynamically assigning a survey to a respondent
Numéro de demande: 09/781,523 Numéro de publication: US 2002/0128898 A1 Date de dépôt: 8 févr. 2001 Brevet délivré: US6993495 ( Date de délivrance 31 janv. 2006)
