a scale for estimating the ergonomics of information display methods
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Abstract
Modern automated systems use various methods to display information. Thus, a method to estimate the ergonomics of displayed information is desirable. Now there are a number of ergonomics scales, which are rather widely used in practice. Unfortunately, they have a number of shortcomings.
We offer a new scale consisting of six points. Each of these points represents an assertion, which must be estimated by the respondent on Laykert's scale in terms of the extent of his consent with it. The offered scale consists of two independent subscales: a subscale of usability and a subscale of involvement.
The offered scale was tested via polling survey of 653 people. The factorial analysis to confirm the existence of two factors was based on the results of the poll. Reliability evaluation was accomplished by calculating a Cronbach’s coefficient. For the offered scale the Cronbach’s coefficient was 0.82. As to the first factor and to the second one, it was, respectively, 0.79 and 0.81. It means that, reliability of the entire scale, and also that of the second factor is possible to qualify as a good one, while reliability of the first factor may be qualified as sufficient.
The sensitivity evaluation was made using a method of the dispersion analysis. According to results of this analysis, a conclusion may be drawn that the sensitivity of the entire scale and the first factor is significant, and the second factor sensitivity is sufficient.
The scale offered in the article is simple and easy in use. The scale allows us to estimate two aspects of ergonomics: usability and involvement. The conducted research has shown that the offered scale provides good reliability and rather high sensitivity of estimating the ergonomics of information display methods.
| Reference Key |
goryachkin2014naukaa
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|---|---|
| Authors | ;B. S. Goryachkin |
| Journal | BMJ open |
| Year | 2014 |
| DOI |
10.7463/0514.0711864
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| URL | |
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