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CAPI Tools

Design data collection tools and develop mobile data collection applications in open source and commercial platforms for census, survey and research.

Computer-assisted personal interviewing (CAPI)


Computer-assisted personal interviewing (CAPI) is an interviewing technique in which the respondent or interviewer uses an electronic device to answer the questions. It is similar to computer-assisted telephone interviewing, except that the interview takes place in person instead of over the telephone. This method is usually preferred over a telephone interview when the questionnaire is long and complex. It has been classified as a personal interviewing technique because an interviewer is usually present to serve as a host and to guide the respondent. If no interviewer is present, the term Computer-Assisted Self Interviewing (CASI) may be used.

    Characteristics of this interviewing technique are:

  • Either the respondent or an interviewer operates a device (Tablet/Smartphone) and answers a questionnaire.
  • The questionnaire is an application that takes the respondent through a set of questions using a pre-designed route based on answers given by the respondent.
  • Help screens and courteous error messages are provided.
  • Colorful screens and on and off-screen stimuli can add to the respondent's interest and involvement in the task which can be used in shopping malls, preceded by the intercept and screening process.
  • To interview households using sampling techniques like random walk to get a fair representation of the area that needs to be interviewed.
  • To conduct business-to-business research at trade shows or conventions
  • Real time data collect, analyze and visualize survey results
  • Source : https://en.wikipedia.org/wiki/Computer-assisted_personal_interviewing

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The Census and Survey Processing System (CSPro) is a public domain software package for entering, editing, tabulating and disseminating census and survey data. CSPro is user-friendly, yet powerful tool to handle the most complex applications. CSPro supports data collection on Android devices (phones and tablets) and can be used by a wide range of people from non-technical staff assistants to senior demographers and programmers.

For More Details: https://www.census.gov/data/software/cspro.html

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KoBo Toolbox is an open source data collection tool for use in challenging environments. KoBo Toolbox is simple, robust and powerful tools for data collection. KoBo Toolbox supports data collection on Android and iOS devices (phones, tablets and laptops).

For More Details: https://www.kobotoolbox.org/

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Open Data Kit (or ODK for short) is an open-source suite of tools that helps organizations author, collect, and manage mobile data collection solutions. ODK is open-source and standards-based tools which are easy to try, easy to use, easy to modify and easy to scale.

For More Details: https://opendatakit.org/

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Research Electronic Data Capture (REDCap) is a secure web application for building and managing online surveys and databases. While REDCap can be used to collect virtually any type of data (including 21 CRF Part 11, FISMA, and HIPAA-compliant environments), it is specifically geared to support online or offline data capture for research studies and operations.

For More Details: https://www.project-redcap.org/