Ad impact

The agency playbook for selling creative testing to clients

No time. No budget. No need. Here’s how to turn client pushback on creative testing into a confident yes.

Annie Gense
May 6, 2025
System1 vs Behavio
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In this article:

"We don't have a budget for testing."

"Our timeline is too tight to include testing."

"We trust our creative team's instincts."

Sound familiar? If you're an agency professional, you've likely heard these objections when proposing creative testing to clients.

Despite knowing that testing delivers better campaigns, securing budget approval can feel like an uphill battle.

The good news? This challenge isn't unique to creative testing, it's a fundamental negotiation scenario.

And as former FBI hostage negotiator Chris Voss would tell you, every negotiation is an opportunity to discover what your counterpart really needs and steer them toward a solution that works for everyone.

Why creative testing is essential for campaign success

Before getting into negotiation tactics, let's establish a critical fact: creative testing is crucial for a campaign's uccess.

The evidence is overwhelming that creative quality is the single biggest lever you can pull for campaign success:

  • Highly creative ads are 11x more effective at driving profit growth
  • Creative quality accounts for up to 49% of total sales impact
  • Award-winning ads outperform in both short-term sales lift and long-term brand equity
  • Emotionally engaging ads boost brand recall and favorability
  • Standout creative improves both brand lift and ad completion rates

Why clients resist creative testing

Despite these findings, many clients still resist creative testing for several reasons:

  1. Fear of negative results – Worry that a creative idea they love might perform badly in testing
  2. Budget constraints – Growing pressure to justify every marketing expense
  3. Time pressure – Fast-approaching launch dates make testing feel impossible
  4. Trust issues – Concern that testing suggests a lack of confidence in their own creative
  5. Past disappointments – Bad experiences with unclear or unhelpful testing results

Notice that most objections aren't about the value of ad testing itself, but about perceived risks, constraints, and past experiences. This is your first insight as a negotiator: the stated objection rarely reveals the complete picture.

Negotiation strategies for selling creative testing

Let's apply key principles from Voss's negotiation framework to help convince your clients that creative testing deserves a place in their budget.

1. Lead with tactical empathy

Tactical empathy involves understanding your client's perspective. Not just intellectually, but emotionally. Start by acknowledging the pressures they face:

  • "I understand your marketing team is under tremendous pressure to deliver results while controlling costs. You're tasked with crafting the right strategy, building a unique brand, and delighting customers, all while bringing in short-term sales and proving ROI to the board."

This approach isn’t just flattery, it’s a way to establish psychological safety. When clients feel their concerns are genuinely understood, they’re much more open to considering new ideas.

2. Embrace "no" as the beginning of the conversation

When a client says no to creative testing, don’t take it as the end of the conversation. As Chris Voss points out, “no” often just means “I’m not ready yet” or “I don’t have enough information.” It’s not rejection, it’s a request for clarity or reassurance.

So, instead of pushing for an immediate yes, try asking questions like:

  • "What concerns you most about implementing creative testing at this stage?"
  • "What would need to change for creative testing to make sense for this project?"

These types of questions invite your client to open up about what’s really going on, whether it’s a tight timeline, budget pressure, or something else entirely.

And once you know what’s holding them back, you’re in a much stronger position to respond with solutions that speak directly to their needs.

3. Label and address their fears

When you sense an unstated fear or concern, don’t shy away from it—label it directly:

  • "It seems like you're concerned that creative testing might delay the campaign launch."
  • "It sounds like you're worried that creative testing might undermine creative confidence."

Calling out these emotions doesn’t make them worse, it actually helps defuse their intensity. These questions show the client that you’re tuned in and genuinely listening, not just trying to push a service.

Once the concerns are named, you create space for an open, productive conversation.

From there, you can introduce facts about how modern creative testing works: quick timelines, actionable insights, and tools that support creative teams rather than second-guess them.

4. Use calibrated "how" questions

Calibrated questions help clients solve their own problems by shifting the focus from selling to collaborative problem-solving.

Rather than telling them why they need testing, you’re guiding them to uncover that insight themselves. For example:

  • "How would you typically measure whether this campaign is successful?"
  • "How would knowing audience reactions before launch impact your confidence in the campaign?"
  • "How does your team currently validate creative decisions?"

These questions guide clients to recognize gaps in their current approach and see testing as a solution rather than an expense.

5. Bend reality with loss aversion

People are naturally more driven to avoid losses than to chase gains. You can use this to your advantage when talking about creative testing.

Instead of pitching testing as a way to improve results, position it as a safeguard against costly mistakes:

  • "Without testing, there's a risk of investing your entire media budget behind creative that doesn't resonate with your audience. How would that impact your team's performance metrics?"

This approach leverages the powerful psychological principle of Loss Aversion, which states that fear of loss is more motivating than potential gains.

Making the business case for creative testing

With the groundwork laid through effective negotiation, it's time to present the concrete benefits of creative testing:

Data-driven risk reduction

Modern creative testing allows you to gather objective data that predicts campaign performance.

Behavio’s Ad Testing tool, for instance, uses advanced behavioral science methods that are far more predictive than asking consumers what they think.

  • "Traditional market research only tells you what people say. But 95% of human decisions are subconscious, and we're not good at predicting our own behavior. Modern testing tools reveal what people will actually do."

Affordable risk management

Position testing an affordable insurance against wasting a much larger media budget. Here's how to frame the budget discussion with clients:

  • "If you're spending $500,000 on media, investing 5% in testing to ensure you're putting the right creative in market is actually risk management, not an extra expense."

With today’s tools offering accurate insights at a fraction of legacy costs, the ad testing ROI argument becomes even stronger.

Optimized media efficiency

Testing doesn't just improve creative quality, it can make media budgets work harder. Emphasize the media efficiency angle with this talking point:

  • "Creative testing can identify which parts of your video are most engaging, allowing you to create shorter, more effective cuts that reduce media costs while maintaining impact."

Heatmaps that show exactly what grabs attention in ads help clients understand where their brand assets are being overlooked, allowing for strategic improvements.

Demonstrating marketing ROI

For clients concerned about proving marketing's value to leadership, testing creates an accountability framework:

  • "Testing creates a baseline measurement that makes it easier to attribute campaign success to creative decisions, helping you demonstrate ROI to the board."

This approach connects directly to most marketers' need to prove their value within the organization.

Practical implementation: making creative testing painless

Address practical concerns by emphasizing how modern ad testing approaches fit into tight timelines and workflows. Address timeline concerns with this practical explanation:

  • With today’s ad testing methods, you can get results in as little as 5 business days. Just upload your creative assets, and you’ll receive insights delivered in a dashboard that’s easy for anyone to understand.

Emphasize that creative testing can happen at multiple stages—from early concepts to final executions—providing flexibility within your production timeline.

Building testing into your client relationships

For long-term success, always position creative testing as a standard part of your agency offering rather than an optional add-on. You can do this by:

  1. Including testing costs in your initial proposals as a standard line item
  2. Sharing case studies that demonstrate how testing improved outcomes for similar clients
  3. Creating testing packages at different price points to fit various client budgets
  4. Building testing into your creative development timeline from the start

Final thoughts

Successfully selling creative testing to clients relies on building a partnership rooted in shared success metrics. By applying effective negotiation techniques, you show your understanding of your client’s business challenges and your commitment to delivering measurable results.

When clients see that you're focused on making their campaigns more effective rather than just selling additional services, resistance to testing naturally diminishes.

Creative testing becomes not just acceptable but essential, a competitive advantage that sets both your agency and your client apart from those still relying on gut instinct alone.

Start by identifying your most testing-resistant client and applying these negotiation principles to your next conversation. You might be surprised how quickly "We don't have a budget for testing" transforms into "We can't afford not to test."

Behavio's ad testing platform

Want to learn more about how modern creative testing can improve campaign performance while fitting your clients' budgets and timelines?

Explore Behavio's Ad Testing solution that provides behavioral science insights to predict real consumer behavior at a fraction of traditional testing costs.

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