Effects of signal colors, screen polarity and crowding on human signal detection task performance.
| Autor: | Haiso-Chi Yang, 楊小琪 |
|---|---|
| Rok vydání: | 2015 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 103 In recent years, many industries used diverse monitoring equipment as management tools at work in order to save manpower. With the innovation of electronic products, the model of human thinking and how the signals detected were highly related with the design of user-interface. However, due to the resource limitation of human’s attention; the design of user-interface was one of the detection performance factors to make quick and right decisions for an operator under a long time facing updating screen. In this study, we designed a radar detection simulation program to analyze the signal detection performance by the combinations of two display polarities (white, black), four target colors (red, green, blue, yellow) and three crowding levels (7, 14, 21). Each subject operated radar detection signal simulation program to complete 120 times. The subjects were urged to detect the target as quickly and accurately as they can in each test and recorded the relevant performance data for analysis. The experiment was performed by 2×3×4 design method with 16 subjects. The independent variables were display polarity, target color and screen crowding. The dependent variables were signal detection time, hit rate, and correct rejection rate. The experimental results showed that the polarity had significant effects on the signal detection time; there was a shorter detection time when the polarity was negative. The signal amounts also had significant differences with the signal detection time. The signal detection time was proportional to the signal amounts of screen signal. The interrelation of screen polarity, target color and the signal amounts were obviously significant. Neither polar interface detection performance was better for green target color. The signal detection performance was worse as the signal amounts increase. In conclusion, the signal amounts and the screen polarity were more important than target color for the user-interface design consideration. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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