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Wait times frustrate customers. Companies attempt to accelerate processes through faster servers, additional staff, and more efficient workflows. Yet despite these investments, impatience persists. The question is: Does the problem truly lie in the duration itself, or in the feeling of not knowing what's happening behind the scenes—and what does the evidence tell us?

Studies

The Travel Booking Experiment

Ryan Buell and Michael Norton conducted a series of experiments on operational transparency at Harvard Business School in 2011. In a key experiment, 658 participants booked flights online. Half saw only a loading bar, while the other half also saw which steps the software was currently performing: "Searching Lufthansa flights," "Comparing United Airlines prices," "Checking seat availability." Both groups waited exactly the same amount of time—an average of 45 seconds. The surprising result: the group shown the visible process perceived the wait time as 15% shorter and was significantly more satisfied with the service. Even more remarkable: when Buell artificially extended the wait time but displayed more process steps, satisfaction actually increased. More visible work was interpreted as greater value.

The Locksmith Paradox

Lara Aknin and Michael Norton investigated in 2013 how visible effort influences value perception. They surveyed 122 people about their experiences with tradespeople. The setup: A locksmith opens a locked door. In Scenario A, an experienced tradesperson completes the job in 2 minutes without breaking a sweat. In Scenario B, a less experienced locksmith takes 15 minutes, visibly struggles, and curses quietly. The question: Who should be allowed to charge more? Rationally, expertise should command a higher price. The result was the opposite: 73% of respondents felt it was justified for the slower tradesperson to charge more. The visible effort justified a higher price. In a follow-up experiment, the researchers demonstrated that when the fast expert makes their process transparent—explaining tool selection and demonstrating the lock mechanism—the paradox disappears. Not time, but visible expertise determines perceived value.

Principle

Which principle for Customer Experience Design can be derived from this? The core principle is simple: show the process, not just the result—visible work is perceived as faster and more valuable. For customer experience, this means companies should strategically reveal their internal operations to psychologically shorten wait times and increase perceived service value. This approach works particularly well for complex or time-consuming processes where customers might otherwise be left wondering what's happening. However, the activity shown must be genuinely relevant and purposeful—artificial or irrelevant process displays can erode trust. The following guidelines demonstrate how to apply this principle in practice.

Guidelines

Show process steps in real time

Display concrete work steps occurring in the background during loading times. Rather than a generic "Please wait," show specific actions: "Analyzing 247 insurance plans," "Checking availability with 12 providers," "Calculating individual terms." These steps must be authentic and reflect actual system activities. The more specific the description, the greater the perceived care and value.

Making invisible expertise transparent

When professionals complete tasks seemingly effortlessly, the locksmith paradox occurs: their performance becomes undervalued. To counter this, make invisible expertise visible through explanation. A consultant documents their analytical steps. A technician demonstrates their diagnostic process. Software reveals the reasoning behind its recommendations. The goal isn't to artificially lengthen the process, but to make the genuine complexity and rigor transparent.

Communicate queue status

In service situations involving wait times, reduce uncertainty by providing precise status information: Display the customer's position in the queue ('You are number 3 of 8'), offer realistic time estimates ('approximately 12 minutes'), and update these actively. Even more effective: Demonstrate that work is progressing in the background—'Your request is being processed by agent #247' or 'We are currently reviewing your documents.' This transparency transforms passive waiting time into a sense of active progress.

Show personalization effort

When systems personalize in the background, this effort often goes unnoticed. Make the individual customization transparent: 'Analyzing your usage history from the past 6 months,' 'Considering your preferences from 23 previous purchases,' 'Adapting recommendations to your profile.' This transparency not only justifies the perceived wait time but also enhances the value of the personalized results. The customer understands: This isn't a standard solution—it was created specifically for me.

Buell, R. W. & Norton, M. I. (2011). The labor illusion: How operational transparency increases perceived value. Management Science, 57(9), 1564-1579

Buell, R. W., Kim, T. & Tsay, C. J. (2017). Creating Reciprocal Value Through Operational Transparency. Management Science, 63(6), 1673-1695

Buell, R. W., Porter, E. & Norton, M. I. (2021). Surfacing the Submerged State: Operational Transparency Increases Trust in and Engagement with Government. Manufacturing & Service Operations Management, 23(4), 781-802

Nielsen, J. (1993). Response Times: The 3 Important Limits. Nielsen Norman Group