Daniel wigdor thesis

Daniel wigdor thesis

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Achieving Real Virtuality: Closing the Gap Between the Digital and the Physical

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Two-handed MultiTap users spent most of the first day first 8 blocks with lower average speeds than the one-handed users.

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Uppercase text entry with TiltText.

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TiltText, which replaces chord keys with tilting gestures.

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There are generally two ways to calculate KSPC.

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The center picture shows the untilted phone where pressing a key enters its numeric value.

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Rather, we felt that a dearth of interfaces tailored to pen strengths was to blame for tepid user adoption.

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Adapt this experience to platforms with limited capabilities, such as a standard touchscreen device paired with a capacitive stylus.

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Participants were asked to rest for at least 5 minutes between each block, and each session of 8 blocks was conducted on separate days. Real-time daniel wigdor thesis with always-ready, progressively-loaded interactive data visualizations.

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Combining and measuring the benefits of bimanual pen and direct-touch interaction on horizontal interfaces. A model of two-thumb text entry.

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Daniel Wigdor and Dennis Wixon, System design for the WeSpace:

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Hope to see you there.

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Figure shows the data from the two experiments for ChordTap and TiltText entry speeds over the 16 blocks of the experiment:

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I will be conducting my sabbatical visiting the fabulous team at Cornell Tech in New York City for a year beginning in July.

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Under the table interaction. This talk shows some of my work in this space.

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Abstracting with credit is permitted.

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The one-day break seemed to benefit them more, as they spent all of the second day with higher speeds than the one-handed users.

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By disregarding daniel wigdor thesis wigdo during the application of the second treatment, and examining only the data for those who used TiltText first, we can conduct a direct comparison between ChordTap and TiltText.

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I opted for a design where the user must thedis on the coloured bar representation of each event to see a box daniel wigdor thesis event details see 4. Here are some of the moments I've captured recently.

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Turn right north at St. Each block required the entry of 2 identical practice phrases, followed by 20 different phrases selected randomly from the corpus.

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Daniel wigdor thesis shown in Tablethis approach saves work when two subsequent characters are present in the same letter group i. Because multiple keystrokes are necessary to enter an unambiguous character of text on a multiplexed keyboard, researchers saniel this area rely heavily on keystrokes per character KSPC metric MacKenzie

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First, all other techniques have only a single motor component:

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Both of these techniques focus on very small devices lacking a large number of buttons, and were not optimized or evaluated for speed of entry.

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Participants were randomly assigned to two groups of 5 participants each. To prevent daniel wigdor thesis transfer effects between techniques inherent in within-subjects designs, a between-subjects design was used.

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This in effect results in a between-subjects design. This is a positive indication since it means that real users with lots of experience with MultiTap can transfer at least some of that skill if they wigddor to TiltText.

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When designing ChordTapwe had to decide how many chording keys to have, and how to assign combinations of chords to particular character selections.

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Ten participants volunteered daniel wigdor thesis the experiment. The technique works by tilting the phone in the direction of the letter you theiss to enter, then pressing the key on which it is inscribed.

Mobile applications demand continuous feedback, and, for example, touch- and pen-based systems offer the opportunity for far higher bandwidth input.

We believe a relative tilt system will also reduce errors, but other work on reducing the error rate danile possibly better sensing hardware and algorithms is clearly needed.

In other words, all participants were required to enter identical phrases in the same order, the only difference being which technique they used first. It will be the topic of future work to examine how this technique could be adapted for the use with one hand, and how varying the placement of the chords impacts speed of entry.

This is a wonderful endorsement of the work my team of incredible students, staff, and post docs have been building along with our collaborators for the last several years. Further, by allowing using the tilt of the phone rather than the pressing of chord keys, a novice user is easily able to enter text using just one hand.

On-screen character selection systems typically employ one, two, or four navigation keys and a selection key. For the full site, however, I opted for a more conservative colour palette. Not only did we want to support these functions using non-WIMP interfaces, but also the interfaces, or some facsimile, had to accomplish the functionality with only the input capabilities of the standard touchscreen tablet where a capacitive stylus acts only as a proxy for touch.

Fifteen participants volunteered for the experiment. Pressing a button triggered an on-screen display of the characters that could be entered by tilting the device in one of eight directions, the appropriate tilt was then made, and the button released. Provide fallback designs for less capable devices see 3. More importantly, the team members wanted the logo to include a more literal rendering of the car.

The beginning of a gesture is determined by continuously watching for a change in orientation or a change in the direction of a tilting gesture.

Because of this, you can continue to hold down a chord if two keys in a row require the same chord. How fast is fast enough?: Entry speed WPM by technique and block, for the first half of the experiment, before participants switched techniques.

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