Computer-Assisted Video Interviewing (CAVI)

Computer-Assisted Video Interviewing (CAVI) is a research method in which an interviewer or moderator conducts an interview with a participant through a live video connection, supported by digital tools for presenting questions, materials and notes. CAVI combines the interpersonal depth of face-to-face interviewing with the reach, flexibility and operational efficiency of remote research.

What is Computer-Assisted Video Interviewing (CAVI)?

Computer-Assisted Video Interviewing, commonly abbreviated as CAVI, is a mode of data collection in which a trained interviewer, moderator or researcher speaks with a respondent via video conferencing technology. The conversation usually takes place in real time through a computer, tablet or smartphone with a camera, microphone and internet connection. The interviewer follows a discussion guide, questionnaire or interview protocol and may use digital materials during the session.

In market research, CAVI is used primarily for qualitative interviews, including in-depth interviews, expert interviews and usability sessions. It can also support quantitative or mixed-methods studies when a structured questionnaire needs to be administered with interviewer assistance. The defining feature is not merely the use of a camera, but the presence of a live researcher who can ask follow-up questions, clarify terminology, observe some non-verbal cues and adapt the order or depth of discussion within the study design.

CAVI video interviewing became particularly relevant as organisations sought alternatives to in-person fieldwork without losing the benefits of direct interaction. It allows research teams to reach geographically dispersed participants while retaining visual contact and the possibility of sharing stimuli such as concepts, product designs, advertising materials, websites, dashboards, packaging or technical documentation.

Depending on the project, CAVI may include:

• one-to-one interviews with consumers, professionals or decision-makers;
• remote in-depth interviews with customers or non-customers;
• expert interviews with specialised respondents, including physicians, engineers or procurement managers;
• remote focus groups and mini-groups moderated through video platforms;
• screen-sharing sessions for concept testing, usability research or customer journey analysis;
• structured interviews supported by digital questionnaires and interviewer notes.

The term CAVI should be used carefully, as organisations sometimes apply it to different forms of video-enabled data collection. In market research practice, it most often refers to synchronous, interviewer-led video interviewing rather than self-recorded video responses or automated video surveys.

Application of Computer-Assisted Video Interviewing (CAVI) in practice

CAVI is selected when visual interaction adds value to the research process, but conducting interviews in person would be inefficient, impractical or unnecessary. It is particularly useful when respondents are dispersed across cities, regions or countries, when the target group has limited availability, or when the subject matter requires an experienced moderator to guide the conversation.

When to use video interviews in market research depends on the research objective, respondent profile, sensitivity of the topic and need to display materials. CAVI is often preferable to telephone interviewing when facial expressions, reactions to stimuli or screen sharing can improve interpretation. It can replace in-person interviews when travel costs, access restrictions or time constraints outweigh the benefits of physical presence.

Typical applications of CAVI include the following:

• B2B research: interviews with senior managers, buyers, distributors, IT leaders, industrial specialists and procurement teams. Video interviewing reduces the logistical burden of arranging meetings with respondents who work across multiple locations.
• Healthcare research: discussions with physicians, pharmacists, healthcare administrators and patients, subject to appropriate consent, privacy procedures and local regulatory requirements. CAVI supports interviews with respondents whose schedules make in-person participation difficult.
• Product and concept testing: presentation of product concepts, packaging, visual identities, landing pages or advertising executions through screen sharing.
• Customer experience research: interviews following a purchase, service interaction or digital journey, where participants can show screens, documents or specific points of friction.
• International research: interviews across markets conducted by local-language moderators or through coordinated multi-country fieldwork.
• Mixed-methods projects: qualitative CAVI interviews used to explain patterns identified in surveys, transactional data or web analytics.

For B2B studies, CAVI is especially valuable because the required sample may consist of narrow professional segments. Recruiting a small number of qualified experts can be demanding, and remote video sessions make participation more feasible than travel to a research facility. In consumer research, CAVI can also provide access to participants outside major urban centres, although digital access and confidence in using video tools should be assessed during recruitment.

Hume’s Institute may use CAVI within qualitative and mixed-methods projects where direct discussion, visual material testing and contextual interpretation are required alongside structured evidence from surveys or other data sources.

Computer-Assisted Video Interviewing (CAVI) and related methods

CAVI belongs to the broader family of computer-assisted data collection methods. Its main distinction is the live video link between interviewer and respondent. The method should be chosen based on the level of interviewer involvement required, the type of information being collected and the importance of visual interaction.

The most relevant differences concern CAWI, CATI and CAPI:

• CAVI versus CAWI: Computer-Assisted Web Interviewing is a self-completion survey completed online by the respondent, usually without an interviewer. CAWI is efficient for standardised quantitative questionnaires and larger samples. CAVI is more suitable when probing, explanation, observation or discussion of visual materials is needed.
• CAVI versus CATI: Computer-Assisted Telephone Interviewing involves an interviewer speaking with a respondent by phone, usually while recording answers in a questionnaire system. CATI is useful when visual contact is unnecessary or internet connectivity is limited. CAVI adds visual communication, screen sharing and the ability to observe reactions, but requires stronger technical readiness from both parties.
• CAVI versus CAPI: Computer-Assisted Personal Interviewing is conducted face to face, typically with the interviewer using a tablet or laptop to record answers. CAPI remains useful when physical context, product handling, observation in the home or retail environment, or access to digitally excluded groups is important. CAVI can substitute for CAPI when physical presence is not required.
• CAVI versus in-person IDI: An in-depth interview conducted in person may provide richer environmental observation and easier rapport in some contexts. A CAVI interview retains many elements of an IDI, including moderation and probing, while removing travel and location constraints.
• CAVI versus asynchronous video research: In asynchronous studies, participants record answers at a convenient time, often without live interaction. Such methods can capture spontaneous visual responses, but they do not allow the researcher to probe immediately or clarify ambiguous statements.

CAVI can be combined with online surveys, diary studies, ethnographic observation, usability testing and follow-up interviews. For example, survey findings may identify segments with distinctive attitudes, while CAVI interviews explain the motivations, language and decision processes behind those patterns. This makes video interviewing a useful component of mixed-methods research rather than a substitute for every quantitative or qualitative approach.

Limitations and quality requirements in CAVI video interviewing

Computer-Assisted Video Interviewing has practical and methodological limitations. Video contact does not automatically create the same conditions as a face-to-face meeting, and the quality of evidence depends on recruitment, moderation, technology and data protection procedures.

The main limitations of CAVI include:

• unequal access to stable internet connections, suitable devices or private interview spaces;
• lower participation among people who are uncomfortable using video technology or appearing on camera;
• reduced ability to observe the respondent’s physical environment compared with in-home or on-site research;
• potential distractions from work, household members, notifications or multitasking;
• limits in testing physical products, tactile materials, sensory experiences or retail environments;
• privacy and consent considerations, especially when sessions are recorded or involve sensitive topics.

High-quality CAVI research requires a clear recruitment screener, confirmation of technical readiness, informed consent procedures and a well-designed interview guide. Participants should know whether recording will occur, how recordings and transcripts will be stored, who will access them and whether their camera needs to remain on. Moderators should prepare visual stimuli in advance, allow time for connection checks and use probing techniques that compensate for the reduced contextual information available remotely.

CAVI is most effective when the method matches the decision problem. It is appropriate when live interaction, visual communication and access to distributed respondents matter more than physical presence. Where product handling, location-based observation or inclusion of digitally excluded audiences is essential, CAPI or another in-person method may remain the more reliable choice.