Early user research is the single highest-leverage activity I recommend to founders who want to validate an idea quickly and confidently. In my work leading product strategy, I’ve seen high-quality customer interviews compress months of guesswork into a few focused days, turning vague concepts into clear signals about product-market fit.
I often point founders to the practical wisdom from Jeanette Mellinger, whose approach aligns closely with how I guide teams through product discovery. Her lens on rigorous, respectful, and insight-rich conversations has shaped how I structure research plans, prepare teams, and synthesize findings into actionable decisions.
In this piece, I unpack the core pillars I rely on for early validation: The three-step framework for a thorough user-research process; The biggest mistakes she’s noticed after working with dozens of early-stage companies; and Specific advice for structuring an interview flow and crafting better questions that unlock essential insights. These simple, durable principles help founders avoid common pitfalls and focus on what truly matters: how customers behave, what they value, and where the product should go next.
On process, I guide teams to adopt The three-step framework for a thorough user-research process. While the tactics can vary by market, the intent is consistent: define the learning goals up front, prepare a tight interview plan, and commit to rapid synthesis. When founders do this well, they speed up discovery, reduce bias, and make sharper decisions about which problems are worth solving.
On mistakes, I see patterns repeat. The biggest mistakes she’s noticed after working with dozens of early-stage companies mirror what I encounter: pitching instead of listening, over-indexing on opinions instead of behaviors, asking leading questions, and trying to validate a solution rather than deeply understanding the problem. The antidote is discipline—stay curious, probe for real stories and workflows, and keep the conversation anchored in what customers actually do, not what they say they might do.
On interview craft, I lean on Specific advice for structuring an interview flow and crafting better questions that unlock essential insights. Start with context (role, goals, current workflows), move into concrete behaviors (last time they tried to solve the problem, tools used, success criteria), and finish with pain points and opportunities (workarounds, constraints, moments of friction). Use open-ended prompts, ask for specific recent examples, and consistently follow up with “what happened next?” and “how did you decide?” to surface the underlying mental models that should shape your product.
If you’re a founder running a founder-led GTM motion, this approach keeps you grounded in customer reality while accelerating product discovery. It also equips you to communicate insights clearly to your team, turning interviews into alignment and momentum. Over time, this rigor compounds—your roadmap becomes crisper, your experiments get smaller and faster, and your conviction grows with each conversation.
You can follow Jeanette on Twitter at @jnetmell. If these practices help you validate faster or avoid costly detours, share what you learned and what you’ll try next—I’d love to hear how your discovery work is evolving.












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