Read time: 6 mins
A Cardiologist once told me that she gets between twenty and thirty research invitations a week. Survey requests, panel recruitment emails, interview asks from agencies she's never worked with. She answers almost none of them. The ones she does answer tend to be short, well paid, and scheduled on her terms, not the researcher's.
I used to think of that as a recruitment problem. Something for the field team to solve with a bigger incentive or a better screener. It took me longer than I'd like to admit to realize it's actually a much bigger problem, and it isn't really about recruitment at all.
Key Takeaways
- The specialists worth researching, physicians, IT buyers, category leads, are a small, heavily recruited group, and demand for their time has outgrown the supply of people willing to give it honestly.
- When competing companies commission studies in the same category within months of each other, they are often reaching the same tired pool of respondents without knowing it.
- The result isn't bad data. It's sameness dressed up as proprietary insight.
- Firms that track and disclose respondent overlap are protecting something more valuable than data quality. They're protecting the client's competitive edge.
Small Towns Have a Way of Reminding You Who's Actually in the Room
Every research category worth studying eventually starts to feel like a small town. Everyone claims to be talking to "physicians" or "enterprise IT decision makers" or "category buyers," but there are only so many of those people who are qualified, reachable, and willing to talk. Once you've been doing this long enough, you start recognizing the regulars. Not by name, obviously. By pattern. The same screener answers. The same schedule quirks. The same slightly rehearsed way of answering a question they've clearly heard before, because they have.
That's the part that doesn't show up in a deck. Nobody puts "respondent has completed four similar studies this quarter" on a summary slide. But it's true more often than most clients would guess, and in categories with a genuinely small specialist pool, healthcare especially, it can be true for a meaningful share of the sample.
Jay Thordarson
VP, Research Services
The Logit Group
“If three companies are all drawing from the same overtaxed pool of specialists, they aren't getting three independent perspectives. They're getting the same story, told three different ways.”
A Story From the Floor
A few years back we were fielding a study for a client entering a category where two competitors had already commissioned similar research that same year. Standard stuff. Nothing suspicious on the surface. Good sample size, legitimate panel, clean screener.
Partway through fieldwork, one of our moderators flagged something. A respondent mentioned, almost in passing, that he'd "already covered this" for someone else recently. Not our study. Somebody else's. He wasn't trying to hide it. He just assumed everyone already knew how these things worked.
We dug in. Cross-referenced what we could without breaking anyone's confidentiality, and confirmed enough of a pattern to bring it to the client directly. A noticeable slice of the specialists in that pool had already weighed in, under different branding, for at least one of the two competitors already active in that space. The client's "fresh, proprietary" research would have been built partly on opinions their competitor had already paid to collect.
We rescreened. It cost time, and it cost the client a slightly less convenient sample. It also meant they walked into their strategy meeting with a number they could actually stand behind, instead of one that was quietly recycled.
That client still tells that story to their own leadership when someone wants to skip a step to save a week.
"Nobody puts 'respondent has completed four similar studies this quarter' on a summary slide. But it's true more often than most clients would guess."
What This Actually Costs
Smaller decisions can absorb this kind of overlap without much damage. A modest campaign tweak based on a slightly recycled insight rarely sinks anything. It's a different story when the decision on the table is a market entry, a repositioning, or a launch with real money behind it, because the risk isn't being wrong. It's being wrong in the same direction as two competitors, each one convinced they were working from something exclusive.
If three companies in a category are all quietly drawing from the same overtaxed pool of specialists, the market doesn't end up with three independent reads. It ends up with one read, told three ways, each one presented internally like it was the client's alone.
What We Actually Do About It
We track respondent history where we're able to, flag categories where the specialist pool is thin enough to raise real overlap risk, and we tell clients plainly when we think a sample is more convenient than it is exclusive. That's a harder conversation than just delivering the numbers on schedule. It's also the only version of the job that actually holds up when someone asks the follow-up question.
If you're the one signing off on the study, the diligence question worth asking earlier than usual isn't only whether the methodology is sound. It's whether the people being surveyed have already answered similar questions for someone else this year, and whether whoever fielded the study can actually tell you that with a straight face.
If they can't, you're not buying research. You're buying a slightly repackaged rumor.
What Comes Next
So far in this series, I started with how AI is reshaping fieldwork in Faster, Smarter, More Human. Then I pulled back the curtain on respondent commitment. And now, in Mission Control, we have looked at how chaos is steadied when studies go sideways.
There is still one more layer that is often overlooked, and that is the conversations with our clients in the middle of it all. Many people see these conversations, but what they do not always see is how difficult they can be. The words matter as much as the fixes. Choosing your words carefully will add hours of sleep to your life.
My next article will take you inside those conversations. The ones where a client is waiting for answers, and the study has gone sideways. Where the words you choose can either calm the room or light it on fire. I'll share how we manage expectations without sugarcoating, how a well-timed bit of humor can take the air out of a tense call, and how trust is either strengthened or shattered in those moments.
About The Author
Jay Thordarson
VP, Research Services
Jay is an accomplished market research professional with extensive experience in global qualitative and face-to-face research.
