CAPI-ANDROID
Apply Offline questionnaires in the field using mobile devices
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Free license up to 100 cases
Testimonials
"I am community health teacher in the Faculty of Pharmacy and Biochemistry from the National University of Trujillo in Peru. Every year we conduct surveys to study the incidence of different diseases. I use the results of these surveys as an input to develop some health promotion activities. The data collection had always been a cumbersome process until we found Rotator Survey. This tool is very useful. Thank you for making it available"
Percy Cruzado Lescano
Universidad Nacional de Trujillo, Peru
Rotator Mobile Interview

ROTATOR CAPI: A COMPREHENSIVE SURVEY SOFTWARE FOR MOBILE DEVICES

CAPI (Computer Assisted Personal Interview) is an face to face interview conducted in the field to obtain primary information about the subject that is being reserched. The mobile operator asks questions using a tablet computer, SmartPhone, pocket PC, laptop or any mobile computing device. During the interview, a dinamic questionnaire is shown on the device screen, this questionnaire is controlled by filters, skips and validation rules programed for that interview. The data captured is stored locally in the memory of the device (off-line) and it can be sent later to a central server for its consolidation.

survey on mobile devices

Rotator Survey "Mobile interview" is the CAPI module of the Rotator Suite, which provides a high level of efficiency in the gathering of the data. The questionnaire is created using the HTML5 especification as a result of a process called "Survey Modeling". To model a complete CAPI survey, to program its screens and its beahaviours on the tablet, a second tool called "Rotator Surveys Modeler" is required. "Rotator Surveys Modeler" is the main component of the suite and need to be executed on a Windows PC.

In order to apply a CAPI questionnaire in the field you only need a tablet or SmartPhone with batteries that last enough. During the interview, no Internet connection is required in the mobile station since all the data gathered will be store in the memory of the device, this feature allows that the interview can be done in open or close locations with or without Internet conecction. Once the interviews have been applied and the data has been collected, the operator can send the data collected to the Rotator's cloud, this a Server that allows us to centralize the data before it is being downloaded back to the "Rotator Modeler" where the remining surveys processes need to be executed, this procedure is very simple, fast and secure. The Rotator Mobile interview (CAPI), performs a thorough data validation while the interview is being conducted, thus ensuring optimal quality and handling the possible inconsistencies in a intelligent and safe way.

Mobile interviews with Rotator require the following integrated modules:
  • Rotator Surveys Modeler which allows the complete systematization of the survey, minimizing possible human and technical errors. It allows the design of the questionnaire, its questions, skips, verbatim and the general flow of the interview.
  • Rotator Classifier, which allows the classification of open question texts in a easy to use and semi-automatic fashion.
  • Rotator OLAP Analyzer: Is the tool for the statistical exploitation of the data, it provides an user-friendly and intuitive interfase. (The data might be exported to other formats including Ms Excel and SPSS).
Ad-hoc and continuous Surveys using CAPI

Rotator Survey provides the required tools for the fully design of the electronic questionnaire to be executed on the mobile device, running any operating system such as Android, iOs, or Windows. Rotator can scale from simple ad-hoc surveys with few a questions, up until large longitudinal surveys with complex samples. Rotator Survey has no limits on the number of questions, number of variables, number of choices of response, periods of time, etc.


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