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March 10th, 2026

Golley Slater Effectiveness: MRS Behavioural Science Conference 

Understanding Human Behaviour: Key Learnings from the MRS Behavioural Science Summit 2025.

At Golley Slater, our commitment to effectiveness goes hand-in-hand with understanding human behaviour. That’s why we attended the MRS Behavioural Science Summit – because truly effective campaigns aren’t built on assumptions about how people should behave, but on deep understanding of how they actually behave.

The latest summit reinforced a fundamental truth: behavioural science isn’t just an academic discipline, it’s a practical toolkit for making our work more effective. Here are the insights that will shape how we approach campaigns in the year ahead.

Design Isn’t Just Aesthetic – It’s Behavioural

The NHS England and The Social Agency’s session on visual design challenged our thinking about formatting. Small changes – font size, layout, paragraph length – significantly influence perception and action in health communications. Their experimental testing showed that treating design as a behavioural intervention, not just a visual one, led to measurable improvements in engagement and trial participation.

The lesson: every design choice is a behavioural choice. We’re now approaching formatting with the same strategic rigour we apply to messaging.

Innovation Needs Behavioural Science from Day One

A standout session explored how behavioural science is underleveraged in innovation. The insight? True innovation isn’t about finding market gaps – it’s about creating new behaviours and meeting unmet needs. The “Fuels and Frictions” framework offered a practical approach: maximise motivators (superior benefits, value alignment) while minimising barriers (effort, limiting beliefs, situational factors).

Google Glass failed not because of technology, but because it didn’t address behavioural frictions. The takeaway for us: embed behavioural science at the start of the innovation process.

Gamification Changes Behaviour Better Than Information

Ofcom tackled a growing problem: how do you teach people to spot romance scams on dating apps? Traditional text-based warnings weren’t cutting it. Their solution? A “serious game” that simulated a realistic dating app experience, where users navigated conversations and learned to identify red flags like early requests to move off-platform, love bombing, or requests for money.

The results were striking. People who played the game could identify scam messages with 85% accuracy, compared to 76% for those who just read information sheets, and 60% for those with no intervention. Crucially, the effect lasted – after four weeks, the learning stuck.

The breakthrough was the method: experiential learning where people practice spotting scams in a safe environment, combined with immediate feedback. This builds psychological resilience through inoculation (exposing people to weakened threats), debiasing (encouraging reflective thinking), and boosting (giving people practical skills they can apply).

We’re now exploring how these experiential learning principles can transform how we approach our campaigns. The key is creating experiences that stick, not just messages that inform. Curious? You can play their game here.

Small Interactions, Big Impact on Health Outcomes

Haleon and The Behavioural Architects’ session on pain management consultations revealed a striking stat: medical care contributes only 10-20% to overall health outcomes, while behavioural changes account for 36%. This reframes the role of healthcare professionals – particularly pharmacists – from dispensers of medication to behavioural influencers.

By conducting behavioural audits of consultation environments and applying the COM-B framework (Capability, Opportunity, Motivation), they identified how subtle changes in language, interaction style, and solution framing could guide patients toward better self-management. Techniques like nudging, reframing, and leveraging authority bias transformed everyday consultations into behaviour change interventions.

The lesson for us: even brief interactions can drive meaningful behaviour change when designed with behavioural science in mind. Whether it’s a healthcare consultation, a customer service touchpoint, or a campaign message, intentional design matters.

Perception Is Reality – Shape It Strategically

Northern Trains’ work with Cowry Consulting showed how multi-sensory cues can transform passenger experiences without increasing actual cleaning. Using the CLEAN framework (Consistency, Low Effort, Engagement, Ambiguity Reduction, Normalisation), they shifted perceptions of cleanliness through strategic environmental cues rather than operational changes.

This challenges us to think beyond the obvious. Sometimes the most effective intervention isn’t changing reality – it’s changing how reality is perceived through strategic behavioural design.

Creative Dullness Has a Measurable Cost

Perhaps the most commercially compelling session came from SINE Digital and Runway Entertainment, who quantified that 27% of media spend is wasted when audiences respond with indifference. For every £1M spent, that’s £270,000 lost.

Their analysis of over 1 billion rows of data showed that ads with high-arousal positive emotions saw up to 21% increases in view-through rates. Humour lifted awareness by 51% and consideration by 16%. Meanwhile, persuasion principles like scarcity, authority, and social proof boosted conversion rates by up to 33%.

The message: creativity is an effectiveness multiplier. Emotional, personality-driven, behaviourally-informed creative delivers better ROI.

What We’re Taking Forward

These sessions reinforced why behavioural science is central to our effectiveness approach. Understanding real human behaviour – not idealised versions of it – allows us to design campaigns that work with psychology, not against it.

We’re embedding these insights into our process: designing for perception, innovating with behavioural frictions in mind, and measuring emotional impact alongside functional metrics. Because effectiveness isn’t about forcing behaviour change – it’s about making desired behaviours the natural, easy choice.

Want to discuss how behavioural science can make your campaigns more effective?
Get in touch.

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