User Interaction on Touch Screen Mobile Phones

Gestures

  • Tap
  • Double tap
  • Flick
  • Drag
  • Pinch open
  • Pinch close
  • Touch and hold
  • Two-finger scroll
  • Read more about Apple iPhone UI Guidelines

    ஊக்கம் உடைமை

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    அதிகாரம் : ஊக்கம் உடைமை

    “உள்ளம் உடைமை உடைமை பொருளுடைமை
    நில்லாது நீங்கி விடும்”

    மன உறுதியுடைமை ஊக்கம ஆகும். அது இல்லாதபோது பொருள் உடைமை நிலைக்காது
    மறைந்துவிடும்

    wish i could embed google indic transliteration widget into wordpress

    Usability Tests on Mobile Phones

    Here’s the executive summary of usability test findings conducted on 3 next-generation smartphones: the Nokia N95, the HTC touch, and the Apple iPhone.

    Users with no smartphone experience conducted a series of 8 tasks on each device in order to determine how the devices fared in terms of overall usability. The study also assessed user perceptions of the devices in terms of ease of use, quality, pleasure-to-use, complexity of function-set, appropriateness for business use, and personal purchase preference.

    Main Findings:
    • Participants completed more tasks successfully using the iPhone than they did using either the HTC Touch or the Nokia N95.
    • Participants successfully completed tasks twice as fast (on average) on the iPhone as they did on the HTC Touch or Nokia N95.
    • Participants were more interested in purchasing the iPhone for themselves, although the HTC Touch and iPhone were both selected as being appropriate for business users. Users perceived the iPhone to be more complex than the Nokia N95 in terms of the number of features and functions offered.
    • In addition to user testing, our cognitive psychologists conducted a heuristic review based on a qualitative scoring of each device along five dimensions (global navigation, usability/information architecture, ergonomics, look-and-feel, and breadth of functionality). The iPhone scored higher on the expert review than both the HTC Touch and Nokia N95.


    iPhone did seem to live up to its hype.

    Feature comparison Apple iPhone vs Nokia N95

    Using ethnography to design for BOP

    Interesting read, on how Nokia used ethnography to design for BOP among other stuff like using ethnographers as user emissaries instead of brand emissaries.

    “”This sort of on-the-ground intelligence-gathering is central to what’s known as human-centered design, a business-world niche that has become especially important to ultracompetitive high-tech companies trying to figure out how to write software, design laptops or build cellphones that people find useful and unintimidating and will thus spend money on.

    Several companies, including Intel, Motorola and Microsoft, employ trained anthropologists to study potential customers, while Nokia’s researchers, including Chipchase, more often have degrees in design.

    Rather than sending someone like Chipchase to Vietnam or India as an emissary for the company — loaded with products and pitch lines, as a marketer might be — the idea is to reverse it, to have Chipchase, a patently good listener, act as an emissary for people like the barber or the shoe-shop owner’s wife, enlightening the company through written reports and PowerPoint presentations on how they live and what they’re likely to need from a cellphone, allowing that to inform its design.