Yes. A research result can be a strong story when the value comes from how you handled uncertainty, redesigned the work, and enabled a better decision.

Consulting projects do not always end with the original hypothesis confirmed. Interviewers care about rigorous problem solving and what changed because of your work.

Explain the initial objective, the unexpected result, how you diagnosed it, what you changed, and the decision or learning that followed.

Avoid apologizing for the negative result. Focus on the quality of the response and the tangible consequence of the revised approach. For a related reference, see Top 5 Consulting Resume Mistakes by Ph.Ds, Postdocs, and Other Advanced Degree Holders.

This is where keeping notes simple helps. I can see the logic better when I am not writing full sentences.

I had the same concern before recruiting. Once I practiced the exact situation a few times, it felt much less awkward.