Is that in-person interview part of a quantitative or qualitative study?

By Sasha Haig

This article originally appeared on the Canadian Viewpoint blog.

Your colleague is conducting a face-to-face mall-intercept research project. You instantly know it’s qualitative research project. Or do you?

One of the tricky things about research is that knowing whether someone is conducting a study online, over the phone, or face to face does not immediately determine whether a study is qualitative or quantitative. So how you can tell?

What is quantitative research?

Quantitative research can be identified by its use of precise numbers. Lots of numbers and in many places. Sample sizes, percentages, rates, ranks, and decimal places. Plus statistical tests, cross-tabs, bar charts, line charts, and more.

These numbers can be gathered in many different ways. Most often, they’re gathered using standardized questionnaires over the computer. Sometimes though, standardized questionnaire are administered by people either in-person or over the phone. And, sometimes, questionnaires are administered by automated telephone call or other means.


But quantitative research is not the output of only questionnaires. Quantitative data can also be gathered via biometric measurements such as galvanic skin response, fMRIs, facial coding, or EEGs. And, quantitative data can be gathered from social media data or website tracking data. Wherever a plethora a numbers can be found, you’re very likely dealing with a quantitative study.

What is qualitative research?

The main feature of qualitative research is that numbers are (mostly and often) irrelevant. While the goal may be to collect opinions from 5 or 50 or 500 people, even that sample size number is not particularly relevant.

Instead, the important part of the research is gaining a thorough and in-depth understanding of a person or group of people. Qualitative research is traditionally conducted with focus groups or interviews, whether in-person, over the telephone, or even over the internet. However, qualitative data can be gathered from questionnaires. That what those open-ends are! And, even though it seems like you could talk about percentages or use decimal places, a true qualitative study will never do so, mainly because the sampling procedures used will not justify it.

The moral of the story is this. Just because you’ve got a face-to-face project doesn’t mean you’ve got a qualitative project.


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Sasha Haig is an Account Manager at Canadian Viewpoint. She loves tackling the complex multi-modal studies while working collaboratively with clients to ensure their research objectives are met, and looking for new ways to approach data collection. In her free time, she likes hiking and sharing her unique tastes in cooking on her food blog.

Canadian Viewpoint is a one-stop market research data collection and fieldwork company. For over 40 years, we have been trusted by clients ranging from global Fortune 500 companies to local, boutique market, social, and academic research firms and offering top-quality solutions for offline, online, qualitative, and quantitative fieldwork. We specialize in providing high-quality solutions for offlineonline, qualitative, and quantitative fieldwork. As long-term members of the Insights Association, accredited members of the Canadian Research and Insights Council (CRIC), and corporate members of ESOMAR, we uphold the highest industry standards. Our diverse range of services includes sampleprogramming and hostingmall interceptscentral location recruitmentmystery shoppingin-home usage tests (HUTS)sensory testingshelf testingcomputer-assisted telephone interviewing (CATI)Facial Coding, and other cutting-edge technologies. Explore our website to learn more about our offerings and access our demo site to experience our tools firsthand.

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