Stores push customers away with well-intentioned sensory choices they think are improving the experience. Research shows that adding a third sensory stimulus on top of two congruent ones doesn’t enhance the experience — it overloads it, and the benefits collapse. Mismatched music and scent actually reverse positive effects.
In this video I break down how stores accidentally build invisible exit doors — through sensory overload, mismatched atmosphere elements, and volume that compresses visits — and how the customers who leave never tell you why.
Most retailers think they’re creating an inviting atmosphere. Upbeat music, bright lights, a candle burning by the register. What if I told you that combination — the one that feels like good hospitality — might be the thing driving customers out of your store?
The Overload Effect #
Here’s the problem nobody talks about: your senses don’t operate in isolation. And when you stack too many high-energy stimuli on top of each other, you don’t get a better experience. You get overload. And overload triggers avoidance. A 2020 study in the Journal of Retailing and Consumer Services tested this directly. Two high-arousal sensory inputs? Fine. Customers handle it. But add a third high-arousal element from a different sensory channel — say, loud music on top of bright visuals on top of a strong scent — and something flips. Customers stop approaching. They start pulling away. Not because any single element was bad. Because the combination crossed a neurological threshold.
The Congruence Problem #
It gets worse. Even if you’re not overloading people, you might be mismatching them. A study with 270 real customers, published in the Journal of Retailing in 2001, found that when music and scent were matched on arousal level — high-energy music with a stimulating scent, or calm music with a relaxing scent — customers rated the environment significantly higher. But when they were mismatched? Worse than having just one or the other. The mismatch created a kind of sensory confusion that actively degraded the experience. You know where this shows up in the wild? Christmas. A 2005 study in the Journal of Business Research found that pine scent in a store without Christmas music actually backfired. Customers rated the environment lower than no scent at all. But pine scent with Christmas music? Positive lift. The scent needed the musical context to make sense. Without it, it was just… weird pine smell in a store.
The Emotional Mechanism #
Here’s the theory underneath all of this. A 1997 study in Psychology & Marketing showed that retail environments don’t directly cause purchasing behavior. They cause emotions. And those emotions cause behavior. The environment-to-purchase chain always runs through feeling. So when your sensory mix creates confusion, discomfort, or overstimulation, you’re not just making a bad atmosphere. You’re generating negative emotions that suppress the exact impulse-buying behavior you’re trying to create. The Journal of Retailing proved in 1994 that the pleasure state measured just five minutes into a visit predicted actual unplanned spending. Five minutes. If your sensory environment creates discomfort in those first five minutes, the sale is already lost.
The Invisible Damage #
The cruel part? Customers don’t tell you this is happening. They don’t say “your music and scent are incongruent and it’s creating cognitive dissonance.” They just… leave. They browse for three minutes instead of eleven. They walk past the impulse display. They check out with two items instead of five. And you never know it was the atmosphere because nobody complains about atmosphere. They just don’t come back. A study in the Journal of Business Research in 2006 made this explicit — when background music didn’t fit the brand, it didn’t just fail to help. It actively damaged brand perception. Customers left with a worse impression of the brand than if there’d been no music at all.
The Entuned Angle #
This is why we built Entuned as a system, not a playlist. A playlist doesn’t know what your lighting is doing. It doesn’t adapt to your store’s energy level or your brand’s sensory identity. Generative music can be tuned to a specific arousal band — calm enough to complement your environment without tipping into overload, coherent enough to match your scent, your lighting, your brand. You’re not picking songs. You’re designing an emotional environment. And the research says that coherence — every element pulling in the same direction — is worth more than any single element cranked to eleven.
Chapters
Can store design actually push customers away? #
Yes. Research shows that adding a third sensory stimulus (e.g., music + scent + video screens) causes sensory overload — the benefits don’t just diminish, they collapse entirely. Mismatched music and scent actively reverse positive effects, producing outcomes worse than no music at all. And loud music drives away browsers while committed buyers compress their visit.
But I thought more atmosphere was better? #
Two congruent stimuli outperform three. A pine scent without matching Christmas music actually backfired in one study — customers evaluated the store more negatively than the control. The key is congruence, not quantity. Every sensory element needs to pull in the same direction.
What's the fix? #
Audit your sensory environment for conflicts. Make sure music, scent, and visuals are telling the same story. Keep volume low enough that browsers feel comfortable lingering. And use music designed to complement your space, not compete with it. Entuned generates music that fits — free tier at entuned.co. Full citations in the description. This is video 24 of 50 in this series.
References
- Donovan & Rossiter (1982). Store atmosphere: An environmental psychology approach. Journal of Retailing, 58(1), 34–57.
- Donovan et al. (1994). Store atmosphere and purchasing behavior. Journal of Retailing, 70(3), 283–294.
- Douce & Adams (2020). Sensory overload in a shopping environment. Journal of Retailing and Consumer Services, 57, 102219.
- Mattila & Wirtz (2001). Congruency of scent and music as a driver of in-store evaluations and behavior. Journal of Retailing, 77(2), 273–289.
- Spangenberg, Grohmann & Sprott (2005). It's beginning to smell (and sound) a lot like Christmas. Journal of Business Research, 58(11), 1583–1589.
- Smith & Curnow (1966). "Arousal hypothesis" and the effects of music on purchasing behavior. Journal of Applied Psychology, 50(3), 255–256.
- Lammers (2003). An oceanside field experiment on background music effects on the restaurant tab. Perceptual and Motor Skills, 96(3), 1025–1026.