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Item type:Publication, Does size matter in the speed and accuracy on image identification?(2017-12-13)Satcharoen, KleddaoIcon images need to be presented in correct sizes and their perceptions must be accurate for the end users to perform appropriate tasks as intended. This study investigates whether six different sizes of icon images affect image identification in terms of response time and accuracy. The results of the experiment show that although a general trend, i.e. the larger the image gets, the lesser response time and more accurate the image identification becomes, appears to hold, the difference of the measurements of response time among some icon images is in fact insignificant. A similar observation is also made for accuracy of image identification. The result of this investigation indicates that a wider and more thorough study of the size issue over commonly used icon images is needed. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Differential effects of gender on entropy perception(2017-01-01)Satcharoen, KleddaoThe purpose of this research is to examine differences in perception of entropy (color intensity) between male and female computer users. The objectives include identifying gender-based differences in entropy intention and exploring the potential effects of these differences (if any) on user interface design. The research is an effort to contribute to an emerging field of interest in gender as it relates to science, engineering and technology (SET), particularly user interface design. Currently, there is limited evidence on the role of gender in user interface design and in use of technology generally, with most efforts at gender-differentiated or customized design based on stereotypes and assumptions about female use of technology or the assumption of a default position based on male preferences. Image entropy was selected as a potential characteristic where gender could be a factor in perception because of known differences in color perception acuity between male and female individuals, even where there is no known color perception abnormality (which is more common with males). Although the literature review suggested that training could offset differences in color perception and identification, tests in untrained subject groups routinely show that females are more able to identify, match, and differentiate colors, and that there is a stronger emotional and psychosocial association of color for females. Since image entropy is associated with information content and image salience, the ability to identify areas of high entropy could make a difference in user perception and technological capabilities.