Quantitative Data Collection

01.Intercepts & Computer-Assisted Personal Interviewing (CAPI)

Intercepts and computer-assisted personal interviewing (CAPI) are effective methodologies for capturing in-the-moment feedback in real-world environments, where control, verification, and data quality are essential. These approaches are commonly used for exit interviews, shopper intercepts, and on-site quantitative research tied to locations, experiences, and immediate decision-making.

Airo supports intercept and CAPI studies across the United States and Canada, managing the full fieldwork process from questionnaire programming and interviewer training to on-site execution and quality control. Interviews are conducted in person using secure, computer-based tools that enable real-time data capture, validation checks, and consistent questionnaire delivery.

We have extensive experience conducting intercept studies in retail stores, shopping malls, airports, events, and other high-traffic environments. Each study is designed to be efficient, respectful, and compliant, minimizing disruption while maximizing response quality. For airport and controlled-access locations, we manage all required permissions and operational protocols to ensure smooth execution.

Across all intercept and CAPI work, our teams apply rigorous sampling, screening, and verification standards to deliver reliable, defensible data that clients can confidently use for operational and strategic decisions.

Talk to us about how intercepts and CAPI can support your next on-site research study.

02.Central Location Testing (CLT)

Central Location Testing provides a controlled environment for evaluating products, concepts, and experiences with carefully recruited participants. This methodology is particularly effective when consistency, comparability, and precise measurement are required across respondents.

Airo designs and executes CLT studies in purpose-selected venues across the United States, Canada, and Europe. We manage every aspect of the process from participant recruitment and scheduling to venue setup and on-site coordination, ensuring studies run smoothly and efficiently. CLTs can support a wide range of objectives, including product testing, concept evaluation, shelf and packaging assessments, and taste testing.

With experienced oversight and strict quality controls, Airo ensures CLT data is clean, reliable, and ready for confident analysis. Our teams are experienced in managing complex logistics, high participant volumes, and tight fieldwork windows.

Talk to us about how a central location test can support your next product or concept evaluation.

03.Taste Testing & Shelf Testing

Taste testing and shelf testing allow organizations to evaluate products and packaging in environments designed to mirror real-world decision-making while maintaining consistency and control. These methodologies are especially effective for understanding product performance, preference, and visual impact at the point of choice.

Airo designs and executes taste and shelf tests through central location facilities and custom venues, recruiting participants who reflect target consumers and usage occasions. We manage product handling, blind and branded testing protocols, shelf setups with eye-tracking capabilities, and stimulus rotation to ensure results are comparable and reliable across respondents.

With experienced oversight and strict quality standards, Airo ensures data collected through taste and shelf testing is accurate, unbiased, and ready for confident analysis.

Talk to us about how taste or shelf testing can support product optimization and in-market decision-making.

04.Eye-Tracking

Eye-tracking research provides a precise view into what captures attention, what is overlooked, and how people visually engage with products, environments, and interfaces. By measuring gaze patterns and visual focus, eye-tracking adds an objective layer to understanding decision-making beyond self-reported feedback.

Airo supports eye-tracking studies using fully equipped eye-tracking systems as well as subtle, wearable eye-tracking glasses that are difficult for observers to identify. This flexibility allows studies to be conducted in controlled settings or natural environments, including retail stores, shop-along research, and mystery shopping scenarios where discretion is essential.

From recruitment and equipment setup to field execution and quality control, Airo manages the entire process with care. Our approach ensures eye-tracking data is collected seamlessly and ethically, delivering clear, actionable insight into visual attention and behavior.

Talk to us about how eye-tracking can enhance your next in-context or shopper research study.

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