Why We Buy
The science of Shopping by Paco Underhill
A store has 3 distinct aspects: design (the premises), merchandising (whatever you put in it) and operations (whatever employees do). They’re closely intertwined, interrelated and interdependent, so changing one of them will affect the other two as well. Their correlations are thoroughly covered in Paco Underhill’s analysis of an evolving shopping culture. It’s one of these books that in addition to substantial advice on customers’ tastes and habits is able to entertain us with witty anecdotes and gripping details.
The book has been incredibly well summarized by Malcolm Gladwell in his New Yorker article: The Science of Shopping, so instead of writing a mere ersatz of Gladwell’s review (which definitely is a must-read), I’ll focus on the book’s guidelines for designers.
To begin with:
“Display designers apparently never go into stores to see their creations in action, so they don’t have a firm grip on what happens in the real world.”
The main criterion for whether the sign is of any good is an in-place assessment. It’s not just about displays, but actually any piece of so-called commercial design. Whether it’s a logo, a display, a graph, a banner, or even a website, check whether it works in the actual environment. Am I able to find your product while walking or does it require a 5-minute gaze at the product shelf? Is it possible to find out what the purpose of this particular website is within few nanoseconds?
“The best sign in either case is one you can read fast, and positioned so you can read it while moving. And the only way to achieve that in most instances, is to break the information down into pieces and lay them out at a time, in a logical, orderly sequence as the customer gets farther into the store.”
So: Get your audience’s attention. Present your message in a clear, logical fashion. Deliver the information the way people absorb it, a bit at a time and in the proper sequence. If the information is too complex to be explained in just a few words, change the information, as in some case even the best design will not make it easier to comprehend.
“In a second and a half you can read like 3 or 4 words. Putting a sign that requires twelve seconds to read in a place where customers spend four seconds is just slightly more effective than putting it in your garage.”
The faster people walk past your display, the shorter the information has to be. Even when people actually have more time to stop and ponder, putting the entire message at once is not sexy at all. It’s like a stripper who takes off all her clothes before you even enter the bar. No tease, no desire, no buy.
“Every store is a collection of zones, and you’ve got to map them before you can place a single sign.”
Pay attention to the sign position. People are less likely to notice something BEFORE completing the task they are to fulfill (for example: ordering a sandwich in a fast food restaurant or going to the toilet), but will share their attention AFTER (e.g. they’ve ordered a sandwich and are waiting for it). Same applies for instance to banking websites. If I log in to pay my bills, I’ll skip any information on my way besides login and password input fields. But I might actually read some advertisement while the transfer is being processed.
These are just a few rules, several others are implied in almost every chapter. However, the greatest advice from The Science of Shopping is: know your customers’ behaviour and adapt to it. If a promotion display placed at the very entrance is missed, put it 3 meters farther into the shop (you’d be surprised how often it worked). If a particular link buried somewhere in your website is getting 80% clicks, don’t hesitate to put it on the frontpage. If customers have problems finding your product, redesign the packaging. Simply pay attention to customers’ behaviour, context and results. And never stop to improve.
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