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A new study by North Carolina State University researchers found that people often considered the look, texture and, occasionally, the smell of two assistive devices—compression gloves and a knee brace—in online reviews of the products.
The findings detail key aesthetic characteristics that users care about as well as the language they’re using to describe them—factors that could be important for manufacturers to consider in product development.
“Esthetics of assistive devices are often not taken into account despite the fact that research shows one reason for abandonment is that users feel embarrassed or stigmatized by their devices, cymbalta stomach ache ” said the study’s lead author Kate Nartker, assistant professor of textile and apparel technology and management. “There’s also an assumption that users want to conceal their devices, but increasingly some want to express themselves, and need more opportunities for creativity and self-expression.”
In the study, researchers analyzed online reviews of assistive devices on Amazon.com to look for descriptors of the visual esthetics of the products, such as their color, appearance, style, feel, smell and sound. They analyzed 1,000 reviews of a knee brace posted between Aug. 10, 2019, and March 18, 2021, and 1,082 reviews of compression gloves posted between Dec. 27, 2017, and March 31, 2021.
They found users did comment on the aesthetic qualities of their devices, and most commonly made comments about their visual qualities.
One of the most common words that people used in reference to visual esthetics was “color,” which occurred 92 times. Some reviewers praised sellers for offering a variety of color options, while others requested more neutral colors, as well as colors not currently available including beige, dark brown, or gray.
“Some users complained about there not being a broader range of browns,” Nartker said. “It’s only recently we’re starting to see different shades of skin color in medical products like Band-Aids. Our findings align with this and suggest that there is a need for more skin tone colors if people want to conceal their devices. Color was also the one aesthetic option for each device, and users appreciated having multiple colors to choose from. I imagine if the device were offered in different patterns or textures, maybe that would have come up more.”
The researchers also noted that some consumers commented on their devices’ style, using that term 18 times, while the word “look” was used 144 times. Commonly, the word “look” was used to praise devices when they looked stylish and not “medical.” Users liked it when products aligned with fashion trends.
“We had consumers who were excited that they felt the product was not read as a device from others—that the gloves looked like normal gloves and used materials they were familiar with, so they could wear them conspicuously,” Nartker said. “Devices are made to be functional, so they’re often made with industrial materials that might stick out. But consumers responded when they used recognizable materials.”
The word “smell” occurred 18 times in online reviews, primarily in a negative context. Six customers said they found a disturbing smell when they opened the product packaging, which researchers said could be an indicator to designers and developers to allow for off-gassing when packaging materials. Users also responded when the device felt rough, scratchy, soft or stretchy.
“When you’re looking at tactile characteristics, it’s hard to distinguish between esthetics and functionality,” Nartker said. “Some had a sensation of it slipping—that could also be considered a functionality issue. In terms of smell, some people noticed body odor or off-gassing when you open the product—smell is something designers often don’t take into account.”
In future work, researchers plan to dig deeper into different demographics to find out what it is about the appearance, sound, smell or texture that appeal to product users, or not.
“This study gave us insight into how people talk about esthetics; the language and terms are different from what is used in the field of design,” Nartker said. “It also told us that visual esthetics was the most common feature people were concerned with, but users were also interested in texture and smell as well. Overall, this supports the argument that esthetics need to be a bigger piece in the development of assistive devices.”
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