Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Bob G. Witmer"'
Publikováno v:
Proceedings of the Human Factors and Ergonomics Society Annual Meeting. 50:2114-2118
The accuracy and efficiency of visual, auditory, and tactile cues to orient attention were tested under different levels of workload. Nineteen participants took part in an experiment in which they performed a visual, auditory, or tactile cueing task
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c7f7a23124e6b9947c2f28407a7c523
https://doi.org/10.1177/154193120605001785
https://doi.org/10.1177/154193120605001785
Autor:
Christian J. Jerome, Bob G. Witmer
Publikováno v:
Proceedings of the Human Factors and Ergonomics Society Annual Meeting. 49:2249-2252
The perception of distance to real and virtual objects using two methods of distance estimation (verbal estimation and manual replication) along a 110 foot hallway was tested. Results suggest that verbal estimates of distance may not accurately refle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8581c22c94f49bc3e93883a5928c4dac
https://doi.org/10.1177/154193120504902607
https://doi.org/10.1177/154193120504902607
Publikováno v:
Presence: Teleoperators and Virtual Environments. 14:298-312
Constructing a valid measure of presence and discovering the factors that contribute to presence have been much sought after goals of presence researchers and at times have generated controversy among them. This paper describes the results of princip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c02f356eb4eec3f49d184ab8823c4e50
https://doi.org/10.1162/105474605323384654
https://doi.org/10.1162/105474605323384654
Autor:
Bob G. Witmer, Christian J. Jerome
Publikováno v:
Proceedings of the Human Factors and Ergonomics Society Annual Meeting. 48:2613-2617
To better understand how performance on virtual environment (VE) tasks can be affected, four virtual environment constructs were studied and a model was generated to explain the relationships among them. The overarching relationship of interest was b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27900032910295b593c15c448eb3e177
https://doi.org/10.1177/154193120404802302
https://doi.org/10.1177/154193120404802302
Autor:
Bob G. Witmer, Christian J. Jerome
Publikováno v:
Proceedings of the Human Factors and Ergonomics Society Annual Meeting. 46:2197-2201
Three virtual environment (VE) constructs were studied and a model was generated to explain the relations among them. Data were gathered using the Immersive Tendency Questionnaire (ITQ), the Presence Questionnaire (PQ), and the Simulator Sickness Que
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2dd8d7f4272ce343a3d7848c0aed0b4
https://doi.org/10.1177/154193120204602620
https://doi.org/10.1177/154193120204602620
Autor:
Michael J. Singer, Bob G. Witmer
Publikováno v:
Presence: Teleoperators and Virtual Environments. 8:566-573
In an article that discussed both the conceptual aspects of presence and the practical considerations of measuring the concept (Witmer & Singer, 1998), we argued that both involvement and immersion are necessary for experiencing presence. The article
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb05d518ac3f715b77404c821fbb7e80
https://doi.org/10.1162/105474699566486
https://doi.org/10.1162/105474699566486
Autor:
Bob G. Witmer, Wallace J. Sadowski
Publikováno v:
Human Factors: The Journal of the Human Factors and Ergonomics Society. 40:478-488
Comparing human performance in a virtual environment (VE) with performance in the real world can provide clues about which aspects of VE technology require improvement. Using a technique previously shown to measure real-world distance judgments accur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6490b6e9958d8fe26ed64ea94a61b70e
https://doi.org/10.1518/001872098779591340
https://doi.org/10.1518/001872098779591340
Autor:
Bob G. Witmer, Michael J. Singer
Publikováno v:
Presence: Teleoperators and Virtual Environments. 7:225-240
The effectiveness of virtual environments (VEs) has often been linked to the sense of presence reported by users of those VEs. (Presence is defined as the subjective experience of being in one place or environment, even when one is physically situate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ad8db65ae9c7c50d33c2532771253ce
https://doi.org/10.1162/105474698565686
https://doi.org/10.1162/105474698565686
Autor:
Kay M. Stanney, Gavriel Salvendy, T. Piantanida, Michael J. Singer, J S Wilson, Mark Mon-Williams, Jennie J. Gallimore, P. DiZio, Robert S. Kennedy, Leah Reeves, Ben D. Lawson, G. Fogleman, J. Deisinger, L. Hettinger, Dava J. Newman, Bob G. Witmer, A. M. Mead, R. Welch, S. Ellis, J. Maida, J. Ellison, T. Stoffregen, James R. Lackner, John P. Wann, O. Riedel
Publikováno v:
Scopus-Elsevier
This report represents a committee summary of the current state of knowledge regarding aftereffects and sense of presence in virtual environments (VEs). The work presented in this article, and the proposed research agenda, are the result of a special
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d414aa481d3eb7bacba0e31f0261273d
https://doi.org/10.1207/s15327590ijhc1002_3
https://doi.org/10.1207/s15327590ijhc1002_3
Autor:
Bob G. Witmer, Paul B. Kline
Publikováno v:
Presence: Teleoperators and Virtual Environments. 7:144-167
The ability to accurately estimate distance is an essential component of navigating large-scale spaces. Although the factors that influence distance estimation have been a topic of research in real-world environments for decades and are well known, r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::691c671bf8aace94ad0ec19e608b2058
https://doi.org/10.1162/105474698565640
https://doi.org/10.1162/105474698565640