A pink litter bin on the London Bridge

River Thames flows through London. People come to the London Bridge to see the Tower Bridge which allows ocean-going ships to pass beneath it.     Many visitors stopped in front of a pink public litter bin momentarily and threw litter away before crossing the bridge.     We knew adding human faces or adding controversial messages nudge our prosocial…

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Why are antibiotics over prescribed in some countries?

Antibiotic prescription rate differs across countries. It is two times greater in Korea than in Norway (27.9 vs. 15.8: Defined Daily Doses (DDDs) per 1000 people per day, 2015 OECD report). Why are antibiotics over prescribed in Korea?         One reason might be that it is difficult to find traditional medicines in Korean market. In contrast,…

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Do you tip more when you disagree?

Flam is a small village in Norway. Tourists who take the Norway in a Nutshell tours switch ferry boats here. A cozy restaurant called Bakkastova Cafe is located up on the hill.     This restaurant had a note at the cash register. It says, statistics say that women are tipping better than men. I added coins to…

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How to enjoy coffee more and consume plastics less?

Taipei is hot in summer. After sweating an hour, I ordered an iced coffee at 羊毛與花 Youmoutoohana Coffee. To my surprise, it served me a glass of coffee with a metal straw. After sipping coffee through it, I became a huge fan of metal straw. This summer, I will buy and bring a few metal…

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Do people tip more when the tip jar looks like a human?

Henckell is my favorite cafe in Frederiksberg, Copenhagen. It is a local place with great coffee and sandwich. I feel cozy inside. It has only four small tables.     There is a tip jar next to the credit card machine on the counter table. Interestingly, it has a smiley face, two arms, and two…

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Why are Chinese people addicted to plastics?

Chinese government tries hard to reduce plastic waste. Recently, it banned plastic waste import. According to financial times, half of the UK plastic waste need to find alternative places desperately.     In contrast, Chinese people seem to overuse plastics. In Shenzhen, for instance, plates are often wrapped with plastic packages. We should tear it down…

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Do we need floor signage?

We now see a wide variety of floor signage. In Singapore, there is a yellow-painted footstep on the right side of the paved road at the Marina Bay. Since this road is crowded by runners, this signage probably helps them run on the right side of the road.     In Shenzhen, China, there are…

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Why are trash cans angled on bike lanes?

In Copenhagen, Denmark, many people choose bicycles rather than cars. In fact, the priority on the road seems to go to bicycle riders than pedestrians. Therefore, Danes often have more three bicycles; one for commuting between home and train station, another for commuting between train station and workplace, and the other for enjoying weekend. Some trash cans…

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Verbal instructions do not work

People often use verbal signs to give instructions to others. The store owner posts a sign on the window saying, “This is a window, please use the door.” Government officers paint “Look Right” at the pedestrian crossing. However, I have observed numerous store visitors and pedestrians mistakenly push or slide the window and look left…

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Traffic light labels on wine

People often do things while drunk that they regret when they sober up. Opening expensive wines is one of them. In order to solve this problem and, more academically speaking, to overcome the hot-cold empathy gap (proposed by George Loewenstein), I adopted traffic light system. I place red sticky notes on the definitely expensive wines…

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Please help us recycle easily

We want to voluntarily participate in recycling but do so only when it is easy. Recently, I met two bin boxes next to each other at a university in Seoul. Unfortunately, their colors and names made me confused: the left one had a blue cover and a green panel saying “recycled” and the right one had…

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Lightening tactitle paving for pedestrian safety

Tactile paving is a system of textured ground surface indicators. It aims to assist pedestrians who are blind or visually impaired (see Wikipedia) and is also called truncated domes, detectable warnings, Tactile Ground Surface Indicators, or detectable warning surface. In Seoul, Korea, some of the tactile pavings light up at night. Interestingly, its color turns…

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Self experiment for behavior change

Changing behavior is important but challenging. Thus, it attracts huge attention among practitioners as well as researchers. For instance, Charles Duhigg introduced various examples in his book, The Power of Habit: Why We Do What We Do in Life and Business. Professor BJ Fogg at Stanford University proposed a behavior change model at the Persuasive Technology Lab. Designers graduating from…

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Hand print for escalator safety

Jenny Xie wrote A Potentially Brilliant Idea to Keep Escalator Obstructors to the Right at the Atlantic Cities. In her article, a London-based designer called Yoni Alter made an interesting proposal to signal “stand on right, walk on left.” Although his idea has not been implemented yet, he proposed to paint two different foot prints on the…

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Behavioral Economics for Design

“Behavioral Economics for Design,” Presented at the Young Members Event, International Conference of Engineering Design 2013, Seoul: Korea, Aug 19-22, 2013. Designers will benefit from BDT (Behavioral Decision Theory) or Behavioral Economics in two ways. First, they could improve the effectiveness of their design outcomes by finding users’ psychological errors and then creating designerly solutions. Secondly,…

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Young Members Event, ICED 2013 @ Seoul

The Design Society and the Organizing Committee of ICED13 invite young design researchers and designers, including design students, to participate in this discussion on the future of design and to join the networking of international young design community. Please send an email to dinstitute@skku.edu with your name, affiliation and contact information by August 16th (Friday)…

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Package design for health supplement

Recently, Yuyu changed the package of its health supplement. Its previous package provides information mostly in the front side and mostly in the verbal format, which makes it challenging for its sale representatives to communicate with potential buyers. The new package embraces visual design and zoning. It now provides much information visually as well as provides different types of information in different…

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