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Because a majority of the people are just too plain stupid. In an international study by the OECD on adult competencies (PIAAC) that evaluated literacy, numeracy, and problem solving in technology-rich environments, it was found that only every third adult (in Germany: 36%) between 16 and 64 was able "to master more complex tasks such as navigating the ...


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I have used ethnography for similar purposes several times. Structuring the interviews so that you are an apprentice and your subject plays the role of a master artisan works well. The book, "Contextual Design" by Beyer and Holtzblatt provides several modeling techniques for expressing the information in some ways that add significantly to essay. ...


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Background on strategy selection We could categorise using tabs as a strategy for using a browser. There is a lot of research on the acquisition and use of strategies. My thesis (see repository page with pdf link) has an extensive literature review (see page 21 onwards). To quote myself: Another line of research has examined how people use computer ...


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There is a lot of context to extract from this: For example if "using the X tool" requires a lot of time, it would be time-consuming to actually go by yourself and try for hours, when you could instead ask for help from someone who already has some knowledge of it. Also, people are all different, some people want to know how "things work in their ...


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Charles Fletcher, one of my professors as an undergraduate, studies reading comprehension. He once mentioned a program called LiveInk, which he researches. This program is intended to improve comprehension for ordinary English, not programming language, but I don't see why it wouldn't work for programming language as well, to some extent at least. It ...


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It is all about attention and reaction time: Information are coded in visual, aural and tactile channel. Here you have primer of visual coding. Visual coding could be signs or text. You have shorter time of reaction to primary colors (red yellow blue) and there is some kind of international standard which determine meaning of colors ( red-stop, green - ...



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