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MessyDesk and MessyBoard: Two Designs Inspired by the Goal of Improving Human Memory
- In Proc. DIS2002, ACM
, 2002
"... Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. To copy otherwise, ..."
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Cited by 45 (2 self)
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Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires specific permission and/or a fee.
With Similar Visual Angles, Larger Displays Improve Spatial Performance
- In Proc. of CHI ’03. p. 217
, 2003
"... Large wall-sized displays are becoming prevalent. Although researchers have articulated qualitative benefits of group work on large displays, little work has been done to quantify the benefits for individual users. We ran two studies comparing the performance of users working on a large projected wa ..."
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Cited by 33 (3 self)
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Large wall-sized displays are becoming prevalent. Although researchers have articulated qualitative benefits of group work on large displays, little work has been done to quantify the benefits for individual users. We ran two studies comparing the performance of users working on a large projected wall display to that of users working on a standard desktop monitor. In these studies, we held the visual angle constant by adjusting the viewing distance to each of the displays. Results from the first study indicate that although there was no significant difference in performance on a reading comprehension task, users performed about 26% better on a spatial orientation task done on the large display. Results from the second study suggest that the large display affords a greater sense of presence, allowing users to treat the spatial task as an egocentric rather than an exocentric rotation. We discuss future work to extend our findings and formulate design principles for computer interfaces and physical workspaces.
Effects of Visual Separation and Physical Discontinuities when Distributing Information across Multiple Displays
- In Proceedings of Interact 2003
, 2003
"... Systems that include multiple integrated displays distributed throughout the working environment are becoming prevalent. Compared to traditional desktop displays, information presented on such systems is typically separated at much wider visual angles. Additionally, since displays are often placed a ..."
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Cited by 27 (1 self)
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Systems that include multiple integrated displays distributed throughout the working environment are becoming prevalent. Compared to traditional desktop displays, information presented on such systems is typically separated at much wider visual angles. Additionally, since displays are often placed at different depths or are framed by physical bezels, they introduce physical discontinuities in the presentation of information. In this paper, we describe a study that utilizes a divided attention paradigm to explore the effects of visual separation and physical discontinuities when distributing information across multiple displays. Results show reliable, though small, detrimental effects when information is separated within the visual field, but only when coupled with an offset in depth. Surprisingly, physical discontinuities such as monitor bezels and even separation in depth alone do not seem to affect performance on the set of tasks tested. Following the findings, we provide recommendations for the design of hardware and software in multiple display environments. 1.
Physically Large Displays Improve Performance on Spatial Tasks
, 2006
"... ... In this article we present four experiments comparing the performance of users working on a large projected wall display to that of users working on a standard desktop monitor. In these experiments, we held the visual angle constant by adjusting the viewing distance to each of the displays. Resu ..."
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Cited by 17 (0 self)
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... In this article we present four experiments comparing the performance of users working on a large projected wall display to that of users working on a standard desktop monitor. In these experiments, we held the visual angle constant by adjusting the viewing distance to each of the displays. Results from the first two experiments suggest that physically large displays, even when viewed at identical visual angles as smaller ones, help users perform better on mental rotation tasks. We show through the experiments how these results may be attributed, at least in part, to large displays immersing users within the problem space and biasing them into using more efficient cognitive strategies. In the latter two experiments, we extend these results, showing the presence of these effects with more complex tasks, such as 3D navigation and mental map formation and memory. Results further show that the effects of physical display size are independent of other factors that may induce immersion, such as interactivity and mental aids within the virtual environments. We conclude with a general discussion of the findings and possibilities for future work.
An analysis of user behavior on high-resolution tiled displays
- In Interact 2005 Tenth IFIP TC13 International Conference on Human-Computer Interaction
, 2005
"... Abstract. The use of multiple monitors for personal desktop computing is becoming more prevalent as the price of display technology decreases. The use of two monitors for a single desktop has been shown to have performance improvement in several studies. However, few studies have been performed with ..."
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Cited by 15 (9 self)
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Abstract. The use of multiple monitors for personal desktop computing is becoming more prevalent as the price of display technology decreases. The use of two monitors for a single desktop has been shown to have performance improvement in several studies. However, few studies have been performed with more than three monitors. As a result, we report an observational analysis of the use of a large tiled display containing nine monitors (in a 3x3 matrix). The total resolution of the large display is 3840x3072, for a total of 11,796,480 pixels. Over the course of six months we observed the behavior and actions of five users who used the display extensively as a desktop, and of 65 people who used the display during three other controlled experiments. We relate our observations, provide feedback concerning common usage of how people do and do not use the display, provide common scenarios and results of interviews, and give a series of design recommendations and guidelines for future designers of applications for high-resolution, tiled displays.
Evaluating the Benefits of Tiled Displays for Navigating Maps
- In Proc. IASTED-HCI '05, ACTA
, 2005
"... Maps are used by almost everyone in society during the course of their lives. However, when maps are used with computers they are almost always used with small, low pixel count displays, such as desktop monitors. We performed two experiments involving map usage with various tiled display configurati ..."
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Cited by 11 (6 self)
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Maps are used by almost everyone in society during the course of their lives. However, when maps are used with computers they are almost always used with small, low pixel count displays, such as desktop monitors. We performed two experiments involving map usage with various tiled display configurations (one monitor, four monitors, and nine monitors). The first experiment focused on basic map navigation tasks and the second experiment focused on how to maximize the effectiveness of the details-ondemand interactive technique with large, high pixel count displays. We conclusively found from the experiments that finding objects and route tracing in maps was performed on average twice as fast on the nine monitors as the one monitor. We also found that participants on the nine monitor configuration had 70 % less mouse clicks, 90 % less window management, and a general accuracy and performance improvement over the one monitor. This indicates improved insight for large, high pixel count displays.
Edible Bits: Seamless Interfaces between People, Data and Food
- Proceedings of the 2005 ACM Conference on Human Factors in Computing Systems (CHI'2005
, 2005
"... visual display, this system is also a low-resolution In this paper we introduce the concept of the Edible User gustatory display. The center and bottom of each rod are Interface (EUI). We present BeanCounter and TasteScreen, sealed with electronically controlled valves (Figure 3a), two systems emplo ..."
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Cited by 3 (0 self)
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visual display, this system is also a low-resolution In this paper we introduce the concept of the Edible User gustatory display. The center and bottom of each rod are Interface (EUI). We present BeanCounter and TasteScreen, sealed with electronically controlled valves (Figure 3a), two systems employing this novel interaction paradigm. typically closed to prevent any of the jellybeans from We describe sample applications of these systems and falling through the tube. By controlling the valve discuss the results of our user study. positioning, the computer can dispense jellybeans at Author Keywords varying flow rates. The dispensed jellybeans fall from the Edible user interface, tangible user interface, augmented top section of the tube into the bottom section of the tube reality, ubiquitous computing, ambient media when the middle valve is opened. When the bottom valve ACM Classification Keywords H.5.2 User Interfaces: Theory and methods is opened, any jellybeans in the bottom half of the tube fall out into small bowls positioned beneath the rods, where they await consumption by the system’s users.
Kinesthetic Cues Aid Spatial Memory
- In Proceedings of ACM CHI’2002 Conference on Human Factors in Computing Systems, Minneapolis, MN
, 2002
"... We are interested in building and evaluating human computer interfaces that make information more memorable. Psychology research informs us that humans access memories through cues, or "memory hooks," acquired at the time we learn the information. In this paper, we show that kinesthetic cues, or the ..."
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Cited by 3 (0 self)
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We are interested in building and evaluating human computer interfaces that make information more memorable. Psychology research informs us that humans access memories through cues, or "memory hooks," acquired at the time we learn the information. In this paper, we show that kinesthetic cues, or the awareness of parts of our body's position with respect to itself or to the environment, are useful for recalling the positions of objects in space. We report a user study demonstrating a 19% increase in spatial memory for information controlled with a touchscreen, which provides direct kinesthetic cues, as compared to a standard mouse interface. We also report results indicating that females may benefit more than males from using the touchscreen device.
A Survey of Large High-Resolution Display Technologies, Techniques, and Applications
"... Continued advances in display hardware, computing power, networking, and rendering algorithms have all converged to dramatically improve large high-resolution display capabilities. We present a survey on prior research with large high-resolution displays. In the hardware configurations section we ex ..."
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Cited by 2 (0 self)
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Continued advances in display hardware, computing power, networking, and rendering algorithms have all converged to dramatically improve large high-resolution display capabilities. We present a survey on prior research with large high-resolution displays. In the hardware configurations section we examine systems including multi-monitor workstations, reconfigurable projector arrays, and others. Rendering and the data pipeline are addressed with an overview of current technologies. We discuss many applications for large high-resolution displays such as automotive design, scientific visualization, control centers, and others. Quantifying the effects of large high-resolution displays on human performance and other aspects is important as we look toward future advances in display technology and how it is applied in different situations. Interacting with these displays brings a different set of challenges for HCI professionals, so an overview of some of this work is provided. Finally, we present our view of the top ten greatest challenges in large highresolution displays.
Now Let Me See Where I Was: Understanding How Lifelogs Mediate Memory
"... Lifelogging technologies can capture both mundane and important experiences in our daily lives, resulting in a rich record of the places we visit and the things we see. This study moves beyond technology demonstrations, in aiming to better understand how and why different types of Lifelogs aid memor ..."
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Cited by 2 (1 self)
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Lifelogging technologies can capture both mundane and important experiences in our daily lives, resulting in a rich record of the places we visit and the things we see. This study moves beyond technology demonstrations, in aiming to better understand how and why different types of Lifelogs aid memory. Previous work has demonstrated that Lifelogs can aid recall, but that they do many other things too. They can help us look back at the past in new ways, or to reconstruct what we did in our lives, even if we don’t recall exact details. Here we extend the notion of Lifelogging to include locational information. We augment streams of Lifelog images with geographic data to examine how different types of data (visual or locational) might affect memory. Our results show that visual cues promote detailed memories (akin to recollection). In contrast locational information supports inferential processes – allowing participants to reconstruct habits in their behaviour. Author Keywords Lifelogging, memory, remembering, SenseCam, GPS, geovisual

