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Abstract

Internet and the World Wide Web have had a great development and have become an inseparable part of human life. Several studies have reported investigations regarding the use of visual displays. However, it is generally recognized that there is a need to find the levels of environmental factors and text-background colour combination which may create comfort/discomfort to the users. Therefore, this study investigates the effects of ambient illumination, equivalent noise and text-background colour combination on reading performance of two groups of subjects between age 20 and 31 years; one group having exposure to Internet of less than 2 hours/ day and the second group having more than 2 hours of net exposure per day. Results showed that reading time performance was not significantly affected by ambient illumination (150 lx - 525 lx) for both groups of users. On the contrary, reading time for both groups of users was significantly affected by both equivalent noise and text - background colour combination.

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