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Wyszukujesz frazę "empirical testing" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
The Relevance of Error Analysis in Graphical Symbols Evaluation
Autorzy:
Piamonte, D. P. T.
Powiązania:
https://bibliotekanauki.pl/articles/90739.pdf
Data publikacji:
1999
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
symbols
videophone icons
empirical testing methods
wideotelefonia
badania empiryczne
symbole graficzne
Opis:
In an increasing number of modern tools and devices, small graphical symbols appear simultaneously in sets as parts of the human-machine interfaces. The presence of each symbol can influence the other’s recognis ability and correct association to its intended referents. Thus, aside from correct associations, it is equally important to perform certain error analysis of the wrong answers, misses, confusions, and even lack of answers. This research aimed to show how such error analyses could be valuable in evaluating graphical symbols especially across potentially different user groups. The study tested 3 sets of icons representing 7 videophone functions. The methods involved parameters such as hits, confusions, missing values, and misses. The association tests showed similar hit rates of most symbols across the majority of the participant groups. However, exploring the error patterns helped detect differences in the graphical symbols’ performances between participant groups, which otherwise seemed to have similar levels of recognition. These are very valuable not only in determining the symbols to be retained, replaced, or re-designed, but also in formulating instructions and other aids in learning to use new products faster and more satisfactorily.
Źródło:
International Journal of Occupational Safety and Ergonomics; 1999, 5, 4; 513-528
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improved Temporal Resolution Heart Rate Variability Monitoring—Pilot Results of Non-Laboratory Experiments Targeting Future Assessment of Human–Computer Interaction
Autorzy:
Hercegfi, K.
Powiązania:
https://bibliotekanauki.pl/articles/89831.pdf
Data publikacji:
2011
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
human-computer interaction (HCI)
software ergonomics
software usability testing and evaluation
empirical methods
heart rate variability (HRV)
skin conductance
Opis:
This paper outlines the INTERFACE software ergonomic evaluation methodology and presents new validation results. The INTERFACE methodology is based on a simultaneous assessment of heart rate variability, skin conductance, and other data. The results of using this methodology on-site, in a non-laboratory environment indicate that it is potentially capable of identifying quality attributes of elements of software with a temporal resolution of only a few seconds. This paper presents pilot results supporting this hypothesis, showing empirical evidence in spite of the definitely non-laboratory environment: they indicate that the method is robust enough for practical usability tests. Naturally, in the future these pilot results will have to be followed with further laboratory-based verification and refinement. This paper focuses only on some characteristics of this method, not on an actual analysis of human–computer interaction; however, its results can establish a future practical and objective event-related analysis of software use.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2011, 17, 2; 105-117
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Event-Related Assessment of Hypermedia-Based E-Learning Materials With an HRV-Based Method That Considers Individual Differences in Users
Autorzy:
Hercegfi, K.
Powiązania:
https://bibliotekanauki.pl/articles/90195.pdf
Data publikacji:
2011
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
human-computer interaction (HCI)
software ergonomics
software usability testing and evaluation
empirical methods
heart rate variability (HRV)
e-learning
hypermedia
Opis:
This paper reports results of an assessment of e-learning materials with the INTERFACE software evaluation methodology. On the one hand, this method of analysis allows us to identify ergonomics problems; on the other, to decide to what extent those problems and their severity concern all users in general and to what extent they depend on the usersʼ type and characteristics. This is the first publication to apply the new marking, export, and statistical features of INTERFACE used in a quantitative analysis of heart rate variability (HRV) curves instead of earlier time-based statistics and qualitative methods. It presents correlations between event-related characteristics of human–computer interaction and the currently required mental effort showed with HRV. The paper also discusses correlations between variables and cognitive-style test scores which indicate the role of individual differences in ergonomics.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2011, 17, 2; 119-127
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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