Creating Value Perception Through Service Quality

When a customer walks out of a store satisfied, two very different things may have happened. The store may have delivered exactly what it promised, smoothly and reliably. Or the customer may have felt that shopping there reflected who they are. These two reactions point to two distinct sources of value that quality creates: performance value and expressiveness value. Retailers who understand both can shape how customers perceive the worth of their service, not just the price tag. This article breaks down how service quality builds these forms of value and how organisations communicate that quality effectively.

Performance value from service delivery 🔗

Performance value is the most intuitive form of value a store offers. It comes from how well the store actually delivers its service. Researchers studying service quality have long argued that excellence in this area is tied directly to service delivery issues, the practical mechanics of getting the customer what they need. When a store handles transactions efficiently, keeps shelves stocked, resolves complaints quickly, and treats customers courteously, it generates performance value.

Christian Grönroos, a pioneer in service quality research, framed this idea clearly. His work distinguishes between technical quality, which is what the customer actually receives from the service, and functional quality, which is how the service is delivered. Grönroos also identified image as a third dimension that acts as a filter shaping how customers perceive overall quality. Performance value, in this sense, is the customer’s overall judgment of the store’s service delivery system taken as a whole, not just one isolated good interaction.

Measuring performance: the retail service quality scale 🔗

To understand performance value, retailers need a way to measure service quality specifically in a store setting. General service quality tools were not designed for stores that sell a mix of goods and services. This gap led Pratibha Dabholkar, Dayle Thorpe, and Joseph Rentz to develop the Retail Service Quality Scale, built on a hierarchical factor structure capturing the dimensions that matter most to retail customers.

Their scale identifies five core dimensions of retail service quality:

• Physical aspects: the store’s appearance, layout, and convenience of facilities.
• Reliability: keeping promises and doing things right, including having merchandise available.
• Personal interaction: employees who inspire confidence and are courteous and helpful.
• Problem solving: how the store handles returns, exchanges, and complaints.
• Policy: factors directly shaped by store policy, such as operating hours and payment options.

This framework has been tested widely, including in India. One study applied the scale to measure the gap between customers’ expectations and their perceptions of service quality in retail stores in India. Such research helps retailers pinpoint exactly where their delivery falls short, whether the problem lies in physical space, staff behaviour, or complaint handling.

Expressiveness value and self-image congruity 🔗

Performance value explains a great deal, but it does not explain everything. Two stores might deliver almost identical service, yet a shopper feels strongly drawn to one and indifferent to the other. The difference often lies in expressiveness value, the value a customer gets from a store that reflects and affirms their sense of self.

This idea rests on a body of research called congruity theory. The core insight is that shoppers seek out stores whose image attributes match their own self-image. When the personality of a store lines up with how a customer sees themselves, the store becomes more appealing. A customer’s attitude toward a store, then, depends partly on how closely the store’s image overlaps with their self-image. That overlap is what delivers expressiveness value.

How self-congruity shapes patronage 🔗

Self-congruity occurs when a consumer’s self-image matches their image of the typical shopper at a given store. Research has consistently shown that this matching process influences buying behaviour. M. Joseph Sirgy and colleagues built an integrative model demonstrating that store environment, store patron image, and shoppers’ self-concept interact to drive self-congruity and ultimately retail patronage. In simpler terms, people prefer to shop where they feel they belong.

The evidence for this is robust. Studies have found that congruence between store image and self-image relates positively to patronage, store choice, store preference, and store loyalty. A more recent study among supermarket shoppers found that self-congruity mediates the relationship between store image and retail patronage, meaning store image influences loyalty partly through this sense of fit. The practical takeaway is that managers should pay attention to the self-concepts of their shoppers and design environments that match them.

Why service quality feeds expressiveness value 🔗

Here is the crucial link for retailers. Service quality is itself a component of store image. The way staff treat customers, the atmosphere of personal interaction, and the store’s reliability all feed into the overall image a store projects. Because service quality shapes store image, and store image either matches or clashes with a customer’s self-image, the appeal of a store’s service attributes to a customer’s sense of self becomes significant in determining satisfaction and patronage intentions.

Consider a premium grocery chain that trains staff to offer attentive, knowledgeable assistance. For a customer who sees themselves as discerning and quality-conscious, this service style is not just functionally useful, it confirms their self-image. The same level of attentiveness might feel unnecessary or even off-putting to a budget-focused shopper who identifies with no-frills efficiency. Service quality, in other words, does double duty: it delivers performance value and, at the same time, signals an identity that some shoppers will want to align with.

Communicating with customers about service quality 🔗

Creating performance value and expressiveness value is only half the job. Customers must actually perceive that quality, and that depends on communication. Effective communication runs in two directions: listening to customers and keeping them informed.

What a quality service system should tell customers 🔗

International standards offer concrete guidance here. The ISO standard for service quality requires organisations to clearly describe the service itself, including its scope, availability, and cost, along with the relationship between service delivery and cost. The relevant guidance, found in ISO 9004-2, sets out guidelines for quality management in services. In plain terms, the standard outlines a service system that ensures customer needs are met, receives regular feedback from customers, and respects customer perceptions and opinions.

Beyond describing the service, organisations must explain how problems will be resolved when something goes wrong. Equally important, they should make customers aware of their own contributions to service quality. In a self-service grocery aisle or an online checkout, the customer is part of the delivery process, and clear communication about their role reduces friction and disappointment.

Avoiding the communication gap 🔗

One of the biggest risks in communicating service quality is overpromising. When marketing messages set expectations that delivery cannot meet, customers feel let down even if the actual service was competent. This mismatch is well documented in service quality research. The work of Valarie Zeithaml, Leonard Berry, and A. Parasuraman identified a set of provider-side gaps, one of which is the communication gap, where external promises do not align with the service actually delivered.

To close this gap, Zeithaml and her colleagues offer practical advice on advertising service quality. Their guidance includes three key ideas:

• Focus on what matters most: advertising should highlight the service quality dimensions that customers care about most, rather than scattering attention across minor features.
• Use real employees: featuring actual staff in advertisements rather than professional actors makes promises feel authentic and sets believable expectations.
• Connect marketing and operations: the marketing team and the operations team must interact so that what is promised externally matches what the store can realistically deliver.

This last point is central. Much of the foundational research on this topic stresses that communication and control processes inside the organisation, and their effect on the people who deliver service, are what ultimately shape the gaps customers experience. When the people making promises and the people keeping them are aligned, customer expectations stay realistic, and perceived quality rises.

Bringing performance and expressiveness together 🔗

Performance value and expressiveness value are not rivals; they reinforce each other. A store that delivers reliably builds a track record customers can trust, which strengthens its image. A strong, distinctive image attracts customers whose self-concept matches it, deepening their loyalty. Clear, honest communication ties the whole system together by ensuring customers correctly perceive both the practical quality on offer and the identity the store represents.

For any retailer, the lesson is that quality is never just about efficiency. It is about delivering a dependable experience while also offering customers a store they feel proud to be associated with, and then communicating both truthfully. Get all three right, and customers will perceive real value long before they reach the billing counter.

What do you think? Which store do you return to most often, and is it because of how reliably it serves you or because shopping there reflects something about who you are? How might a retailer in your neighbourhood communicate its service quality more honestly to set the right expectations?

References

1. https://www.semanticscholar.org/paper/Service-quality-dimensions:-an-examination-of-model-Kang-James/7a1161b516236e27c46623dcdab683f73eb12af3
2. https://link.springer.com/article/10.1007/BF02893933
3. https://journals.sagepub.com/doi/pdf/10.1177/0256090920060203?download=true
4. https://www.sciencedirect.com/science/article/abs/pii/S0148296399000090
5. https://www.semanticscholar.org/paper/Retail-Environment,-Self-Congruity,-and-Retail-An-a-Sirgy-Grewal/e4223bc2e0712c4dad7bb6430e6886531ad05289/figure/0
6. https://rsisinternational.org/journals/ijriss/articles/mediating-role-of-self-congruity-on-retail-patronage-decisions-among-supermarket-shoppers-in-kenya/
7. https://www.iso.org/standard/16542.html
8. https://www.praxiom.com/iso-9004-2.htm
9. https://onlinelibrary.wiley.com/doi/full/10.1002/9781444316568.wiem01055
10. https://journals.sagepub.com/doi/10.1177/002224298805200203