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CAPI

The CAPI method, or Computer-Assisted Personal Interviewing, is a modern survey technique where an interviewer uses a digital device (like a tablet or laptop) for face-to-face interviews, directly inputting responses into software, which streamlines data collection, enables multimedia, and integrates features like skip logic for complex surveys, replacing traditional paper-based methods.

CATI

The CATI method, or Computer-Assisted Telephone Interviewing, is a data collection technique where trained interviewers conduct phone surveys using a computer program to guide them through a pre-programmed questionnaire, entering responses in real-time

CAWI

The CAWI method, or Computer-Assisted Web Interviewing, is a digital survey technique where respondents complete questionnaires themselves via a web browser on computers, tablets, or phones, often invited by email or social media.

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