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What’s the Difference Between Qualitative and Quantitative Research?

To be successful in the digital age, product teams need to deliver more value to customers faster than anyone else in the market. Doing so involves testing a number of assumptions, from strategic ones such as “what market should we enter?” to more tactical ones, such as “what features are most important to users?” Getting answers to these questions is often the difference between success and failure.

Fortunately, product teams today have a number of methodologies and tools at their disposal. There’s a major evolution happening in the way teams make decisions. In the past, teams relied exclusively on large, high-fidelity, and time consuming market research studies at the beginning of the product lifecycle. Now, the most effective product teams today, conduct research throughout the product life cycle and continuously iterate based on what they learn.

qualitative vs quantitative

Generally speaking, there are two broad types of market research studies: qualitative and quantitative. It’s important to use the right one to gain the insights that you need and to understand what each can and cannot achieve. Beyond that, it’s important to understand how to combine them with experimentation in a product management context in order to build solutions that customers love.

Qualitative and Quantitative Research Goals and Use Cases

difference between qualitative and quantitative research

Qualitative and quantitative research can help teams achieve different goals and are designed for different use cases.

Qualitative Market Research

Qualitative research provides insights into user pain points and perceptions. It helps decision makers gain an understanding of users’ underlying needs, motivations, and opinions.

Here are some examples of insights you can glean from qualitative research:

Qualitative market research WON’T help you decide:

Quantitative Market Research

Quantitative research quantifies problems. It’s used to measure industry trends, market sizes, and attitudes of large populations.

Here are some examples of insights you can glean from qualitative research:

Quantitative market research WON’T help you decide:

Qualitative vs Quantitative Research Studies and Methodologies

Broadly speaking, qualitative research identifies problems and explains the “why,” while quantitative research provides measurements across broader markets and customer segments. How are they conducted in practice?

Qualitative Research

Qualitative research often entails more in-depth interactions with a smaller sample size of users. The most common qualitative research methodologies include:

The output of these studies comes in the form of written responses, videos, and/or notes taken by the researcher. The decision maker then looks for patterns in the responses, cross references it with other research studies, fills in the gaps with their intuition, and draws conclusions.

Quantitative Research

Quantitative research generally provides less in-depth insights on larger populations of users.
It takes longer and costs more, but provides meaningful data on important strategic questions. Quantitative research is most commonly conducted through large scale surveys with multiple choice or scaled rating questions.

The output of these studies may include charts, graphs and figures. While quantitative research requires more upfront planning than qualitative research, it does not require as much analysis because the numbers are more tangible.

Experimentation and Market Research

qualitative and quantitative research

Qualitative and quantitative market research are important tools for product teams. Market research enlightens the organization on strategic questions such as market size and go-to-market strategy. However, modern teams also need data to inform shorter-term iterations. Experimentation introduces data to the daily decisions with which teams often struggle. Designed specifically for continuous iterations, experimentation informs teams with directional insight into distinct user preferences and behaviors.

Experimentation is different than traditional market research in two important ways.

First, it’s iterative. Experimentation provides multiple opportunities to run tests as compared to doing one large study that may or may not yield the data that you need. This enables the ability to run tests throughout the product lifecycle and iterate as consumer preferences evolve.

Second, the insights that you glean from experimentation are directional. Experimentation increases confidence for decisions that need to be made within shorter time frames. By doing so, teams can quickly identify overlooked risk and opportunities for improvement.

Experimentation provides data where there previously wasn’t any at all. Many product decisions are currently made without any data whatsoever, or are informed by what someone at a nearby Starbucks says. This data is not of sufficient quality or quantity.

Experimentation provides data for important questions such as:

Experimentation is done using techniques such as:

Such experiments enable you to test solutions and measure users behavior with the depth of qualitative research but with greater scale. Experimentation provides insights on critical product decisions and allows teams to iterate quickly. There’s less of a need for planning, which means you get more shots on goal, and faster iteration. Combined with market research, experimentation is a critical tool in the modern product manager’s tool kit.

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