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Conversational ai survey: best questions for nps follow ups that unlock deeper insights

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Adam Sabla

·

Sep 12, 2025

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Running a conversational AI survey for NPS gives you more than just a number—it reveals the why behind customer sentiment.

While the score itself is useful, the real insights come from intelligent follow-up questions that adapt to each response. The right AI-powered approach can dig deeper than static forms, and I want to walk you through how to craft these using Specific’s AI survey tools.

Follow-up questions for promoters: amplify positive momentum

Promoters (NPS 9-10) are your biggest advocates—but to really drive growth, you need to understand what sparks their enthusiasm. An AI survey can probe beneath the surface while keeping the energy positive, using automatic AI follow-up questions that adapt in real time. Building on this, surveys using dynamic conversational techniques have led to a 19.60% increase in conversational empathy, making feedback sessions more authentic and impactful. [1]

  • Advocacy questions – These help pinpoint referral opportunities and expand your network.
    Example:

    Which colleague or friend would benefit most from [product]?

  • Feature validation – Use these to spotlight what’s working and double down on winning features.
    Example:

    What specific feature convinced you we’re a 10?

  • Success stories – Great source for testimonials or future case studies.
    Example:

    Tell me about a recent win you had using [product]

You can customize these conversational prompts to match your market—just let Specific’s AI handle the probing while you focus on the broader growth strategy.

Follow-up questions for passives: unlock the path to promotion

Passives (NPS 7-8) are often teetering on the edge—satisfied but not yet excited. This group has the highest conversion potential if you identify and fix what’s holding them back. I’ve seen that chatbot-based NPS surveys can increase mobile response rates by making feedback feel more like a chat than a chore [2], which is critical when surfacing nuanced hesitations.

  • Gap analysis questions – These discover what’s missing for passives.
    Example:

    What would need to change for you to rate us a 10?

  • Comparison questions – These provide valuable insight into competitive advantages or gaps.
    Example:

    How do we compare to other solutions you’ve tried?

  • Feature requests – Ideal for crowdsourcing ideas or identifying unmet needs.
    Example:

    What capability would make the biggest difference to your workflow?

Conversational follow-ups from Specific make these discussions feel safe and natural, so you’re more likely to uncover honest improvement opportunities. For more on how dynamic probing works, check out specific's AI follow-up engine.

Follow-up questions for detractors: turn frustration into insight

Detractors (NPS 0-6) offer the toughest feedback—but also the biggest opportunities for improvement. This is where tone and empathetic questioning matter most. Detractor feedback, when explored deeply, leads to meaningful product changes and higher satisfaction. According to survey design best practices, AI-powered follow-ups can extract actionable improvement requests while defusing negative sentiment [3].

  • Root cause questions – Dig into specifics to understand pain points.
    Example:

    What’s the biggest challenge you’re facing with [product] right now?

  • Timeline questions – Helps you understand when and how issues began.
    Example:

    When did you first notice this problem?

  • Recovery questions – Uncovers win-back potential and practical steps for rebuilding trust.
    Example:

    What would need to happen for you to reconsider your rating?

If you need to quickly tweak the tone or add extra empathy, use the AI survey editor—just give it a natural language directive and it’ll adjust the dialogue instantly. This flexibility ensures you’re respectful and attentive with every respondent.

Configure intelligent NPS follow-ups with AI

Specific’s platform lets you set up branching logic for each NPS segment in minutes, tailoring not just which questions are asked but how they’re delivered. This means you can adjust AI behavior for promoters, passives, and detractors—dialing up celebration or empathy as needed.

  • For promoters, tune the AI to explore advocacy potential and request concrete success stories, using a joyful, energetic tone.

  • For passives, use a more probing, curious tone to investigate improvement opportunities and encourage honest feedback.

  • For detractors, default to empathetic language and focus on actionable suggestions for recovery or root cause exploration.

All this can be configured using the AI survey generator, making it easy to build sophisticated conversational experiences that adapt to the respondent’s emotional state.

Specific’s AI agent will automatically shift its approach according to NPS responses, so you always match the right questions with the right people. If you’re tweaking questions or adding branches, just describe your adjustment—no manual scripting required.

Extract actionable insights from NPS conversations

Conversational AI survey responses offer much richer feedback than traditional NPS forms. The real value comes when you use AI to analyze these conversations—surfacing patterns in what promoters celebrate, what passives want, and where detractors feel stuck. Specific’s AI survey response analysis tool lets you chat with your data directly and pull actionable summaries in seconds.

Once you’ve collected NPS responses (and their follow-ups), the real work begins—finding patterns that drive action across teams. Here are a few example prompts I use to analyze NPS reply themes and generate tags:

Show me the top 3 reasons promoters love our product, with specific examples from their responses

What features or improvements do passives mention most frequently that would move them to become promoters?

Identify the common frustrations among detractors and rank them by frequency and severity

Use these to generate themed tags, prioritize feature development, or even build customer testimonials. You can deepen this analysis thread-by-thread, breaking out themes for UX, pricing, onboarding, or support—whatever’s most actionable for your team.

Create a feedback loop that drives real change

NPS without action is just another number. If you want lasting impact, prioritize closing the loop and keeping the conversation going—especially with detractors and newly converted promoters. Sharing insights cross-functionally helps inform your product roadmap and overall customer strategy.

  • Act on insights quickly – Particularly for detractors, speed is critical. Share findings with product or support teams within 48 hours—it proves responsiveness and care.

  • Track theme evolution – See how themes appear or fade over time as fixes are released or new pain points emerge. I recommend quarterly NPS surveys with conversational follow-ups to measure intervention impact.

  • Close the loop – Follow up personally with respondents about changes you’ve shipped based on their feedback. This reinforces trust and boosts future survey participation.

Specific makes all of this seamless, with built-in tracking, smart reminders, and a living conversation record you can revisit with every customer touchpoint. For direct best practices on survey types, see Conversational Survey Pages and in-product survey widgets as methods for gathering feedback in any channel.

Start capturing deeper NPS insights today

Your NPS survey can be more than a number—it can be a conversation that drives meaningful product improvements. Ready to create your own AI-powered NPS survey that actually uncovers the why behind the score? Create your own survey with AI now—let the AI handle branching and follow-ups while you unlock powerful new insights.

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Try it out. It's fun!

Sources

  1. arxiv.org. AI-powered conversational surveys and increased conversational empathy

  2. Clootrack. 10 Best Practices to Maximize NPS Survey Response Rates

  3. SurveySparrow. NPS Follow-up Questions and Their Best Use Cases

Adam Sabla - Image Avatar

Adam Sabla

Adam Sabla is an entrepreneur with experience building startups that serve over 1M customers, including Disney, Netflix, and BBC, with a strong passion for automation.

Adam Sabla

Adam Sabla is an entrepreneur with experience building startups that serve over 1M customers, including Disney, Netflix, and BBC, with a strong passion for automation.

Adam Sabla

Adam Sabla is an entrepreneur with experience building startups that serve over 1M customers, including Disney, Netflix, and BBC, with a strong passion for automation.