| Summary: | 碩士 === 國立臺灣科技大學 === 工業管理系 === 89 === This study investigated the effects of screen type, polarity, and target/background color combination on visual acuity and subjective preference. And the regression equations for visual acuity and subjective preference were constructed.
The results showed that： （1）Screen type significantly affected visual acuity, and the visual acuity of TFT-LCD was better than that of CRT. Screen type had no significant effect on subjective preference. （2）The positive presentation had a little better than negative presentation on visual acuity and subjective preference, but they had no significant effect. It could always obtain a good visual performance on polarity by using a suitable color combination, so color combination was more important than polarity.（3）Target color had no significant effect on visual acuity, but did on subjective preference. The warm target colors were favorable for subjective preference. （4）Background color also had no significant effect on visual acuity, but did on subjective preference. The cool background colors were favorable for subjective preference.（5）Correlation analysis showed that the two regression equations derived from this study were better than other models.
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