Question 1

Is a dozen high-quality IDIs too few to inform a major decision?

Accepted Answer

Twelve in-depth interviews (IDIs) can provide robust insights, but whether that's enough for a major decision depends on the consistency of the feedback and the stakes involved. In many studies, by around a dozen interviews you reach "saturation" - the same themes keep coming up - which suggests you've captured the major insights. If those 12 well-selected participants all underscore a clear point (say, every interviewee dislikes a particular feature), that's strong directional evidence even for an important decision. However, if the stakes are very high, it's prudent to validate further. You might use the IDIs to form a hypothesis and then run a survey or a few more interviews to ensure no critical viewpoint was missed. In summary, a dozen interviews can absolutely inform a big decision, but for a mission-critical call it's wise to corroborate those qualitative findings with additional data just to bolster confidence.

Question 2

How affordable is ethnography now, and which choices move the budget most?

Accepted Answer

Ethnographic research is far more affordable now than it used to be, thanks to digital tools and careful study design, but certain choices — like doing in-person fieldwork versus remote observation — still swing the budget in a big way. For example, using mobile ethnography apps or video calls to observe people in their homes can capture the same insights without the cost of flying researchers on-site, saving huge travel and logistics expenses. Likewise, limiting the scope of the study — fewer participants or shorter observation periods — can extract the key learnings without the price tag of an open-ended project. The biggest cost drivers tend to be how many people you include, how many locations you cover, and how intensive the data collection is. Each additional participant or city adds up, and methods like hiring a full camera crew and producing high-end videos will cost more than having participants self-record with their smartphones. By leveraging remote technology, right-sizing your sample, and focusing on the most critical behaviors to observe, companies are finding that ethnography can fit into modest budgets, reserving higher spend only for truly pivotal deep dives.

Question 3

Is ethnography too slow to be useful for fast-moving product launches?

Accepted Answer

Ethnography isn't necessarily too slow for fast-moving product launches — teams can use accelerated ethnographic methods to get rich insights within a tight timeline. Researchers now conduct "rapid ethnography" by focusing on a small sample and shorter field engagements, sometimes using digital tools, to compress what used to take months into weeks or even days. For example, instead of a long immersive study, a team might run an intensive one-week digital diary or a series of quick in-home visits with target users to capture real-world reactions to a prototype. This approach delivers the depth of understanding ethnography is known for, but fast enough to inform product tweaks between agile sprints. In practice, many organizations blend these mini ethnographic studies with their rapid development cycles, ensuring they get contextual user feedback without missing launch windows.

Question 4

When should I use an online board to explain unexpected survey findings?

Accepted Answer

Use an online discussion board when a survey yields a puzzling or unexpected finding that numbers alone can't explain, and you need the participants' own words to clarify "why." An online board (a moderated forum or chat with selected respondents) is ideal for post-survey follow-up because it lets people reflect on the surprising result and have a conversation around it at their convenience. For example, if a survey shows a niche feature scored unexpectedly high interest, you could invite respondents to an online board to discuss what appealed to them about it - their stories might reveal a hidden need or misunderstanding. The asynchronous format is less rushed than a live focus group, so participants can provide thoughtful input. In short, whenever you have data that begs for context or hypotheses to unpack it, an online board is a timely, efficient way to get qualitative depth straight from the source of your survey data.

Question 5

When should mobile diaries supplement ethnography or surveys?

Accepted Answer

Mobile diaries should supplement surveys or in-home ethnography when you need ongoing, in-the-moment insights that one-time studies can't capture. They are especially useful for studying behaviors or experiences that unfold over time or vary by context. For example, if you want to understand how people use a product throughout a week, a mobile diary lets participants log their usage and reactions in real time. This fills gaps left by a one-off survey (which relies on after-the-fact recall) or a brief ethnography visit (which offers depth but only at a single point in time). Whenever recall bias might be a concern or continuous observation isn't feasible, diary studies ensure you catch day-to-day variations. Participants can note small frustrations, successes, or routine details immediately, providing rich detail that periodic surveys might miss. In short, if a static survey or a one-day in-home study might not tell the whole story, adding a mobile diary helps capture the evolving context and nuances of participants' experiences over time, leading to a more complete understanding.

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