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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Learning from errors

Stellan Ohlsson, Professor in Psychology at University of Illinois at Chicago visited COGENG (Cognitive Engineering Lab) at SKKU and gave a speech on skill acquisition. He introduced his own work of learning from errors in which he argues that, in order to acquire or specializes in a certain skill (e.g., changing a lane to the left while…

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Preference reversal of environmental friendly product

“Preference Reversal of Environmental Friendly Product,” Presented at the HSBC Business School, Peking University, ShenZhen: China, October 30, 2013. Do consumers like the environmental friendly products they buy? My colleague, Bohee, and I borrow the literature from the Behavioral Decision Theory and argue this is not always the case; consumers often choose the green product…

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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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Green activities in Korea

Recently, Alison Hemphill interviewed with me and posted an article at ANEW organization. We discussed how Koreans reduce, reuse, recycle, repurpose, reclaim, and/or restore items. In general, these green activities are not widely popular in Korea probably because disposal cost is relatively low. Note that, however, Korean moms reuse and recycle baby/kid items.

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Apple and Samsung took different approaches toward design thinking

Chang, YoungJoong, Jaibeom Kim, and Jaewoo Joo (2013), “An Exploratory Study on the Evolution of Design Thinking: Comparison of Apple and Samsung,” Design Management Journal, 8 (1), 22-34.   … Samsung is a good example of a “technology push” firm. Samsung has been a late mover in the electronics market. Responding to unparalleled business challenges, the company…

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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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No more SWOT analysis for strategy

At the Dong-A Business Form, Richard D’Avneni, Bakala Professor of Strategy at the Tuck School of Business at Dartmouth University, gave an interesting talk about Hypercompetition, which is the term that he coined about 20 years ago arguing that there is no sustainable competitive advantage. In this talk, he emphasized the dynamics of market by telling us…

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Cafe: East vs. West

People often go to cafe not for coffee but for work. According to Mehta, Zhu, and Cheema (2012), an appropriate ambient noise (e.g., cafe noise) enhances work performance. Their five studies showed that people performed creative tasks better when surrounded by the moderate ambient noise (70db) than the low one (50db) or the high one…

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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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Participation for immersive experience

When people visit a historical place, they wonder what happened long time ago. They sometimes enjoy watching an exhibition such as changing royal guards in Seoul (above). In the historic place at the Colonial Williamsburg in Virginia, however, young visitors go beyond watching an event; they march in the parade with soldiers. This immersive experience…

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Printed vs. Online newspaper: Humor

Imagine that you are looking for tenants. Typically, you go to the websites of flea markets (e.g., Craiglist or Kijiji) or newspaper. You rarely pick up and open the classified section of the printed newspaper. However, I recently met a funny ad in the classified section of the printed Washington Post and, thanks to it,…

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Unexpected color for taste perception

Color determines food judgment. According to Hoegg and Alba (2007), for instance, the brightness of an orange juice affects people’s taste discrimination more strongly than its brand name (e.g., Tropicana or Winn-Dixie) or its price information. Food judgment is probably influenced by the hue and saturation of the food as well. Recently, I find some stores…

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