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Sankaran N. Nair

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Publication statistics

Pub. period:1993-2009
Pub. count:4
Number of co-authors:6

Co-authors

Number of publications with 3 favourite co-authors:

Sara J. Czaja:4
Joseph Sharit:3
Chin Chin Lee:1

Productive colleagues

Sankaran N. Nair's 3 most productive colleagues in number of publications:

Thomas K. Landauer:32
Sara J. Czaja:30
Joseph Sharit:18

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May 20

CTS 2013 - The 2013 Intl. Conf. on Collaboration Techn. and Systems

May 22

Knowing (by) Designing 2013

May 27

13th Intl. Conf. on New Interfaces for Musical Expression

May 19

“ Design can be art. Design can be aesthetics. Design is so simple, that's why it is so complicated. ”

-- Paul Rand, 1997

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Sankaran N. Nair

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Publications by Sankaran N. Nair (bibliography)

2009

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Czaja, Sara J., Sharit, Joseph, Nair, Sankaran N. and Lee, Chin Chin (2009): Older Adults and Internet Health Information Seeking. In: Proceedings of the Human Factors and Ergonomics Society 53rd Annual Meeting 2009. pp. 126-130.

“The Internet is increasingly being used by consumers as a source of health information. This study examined factors that influence trust of Internet health information and how trust varies as a function of demographic characteristics, Internet experience, and computer attitudes. Data is also reported on the perceptions of the value and use of Internet-based health information. One hundred and twelve adults (50-85 years) were asked to perform Internet-based health information-seeking tasks and rate factors that influence their trust in Internet health information, the value of this information, and general trust of Internet information vs. trust of information from a doctor. The results indicated that trust is influenced by website identifiers (e.g., government agencies) and design features (e.g., ease of use). Most participants indicated that they would use the Internet health information and that access to this information would have some influence on their health behaviors. These findings underscore the importance of considering design and content issues when designing health websites.”

1998

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Czaja, Sara J., Sharit, Joseph, Nair, Sankaran N. and Rubert, Mark (1998): Understanding Sources of User Variability in Computer-Based Data Entry Performance. In Behaviour and Information Technology, 17 (5) pp. 282-293.

“The pervasive use of computers in work settings implies that an increased number of workers, with varying levels of skills and abilities, will be performing computer-based tasks. This study investigated the impact of age, cognitive abilities, and computer experience on the performance of a real world data entry task. One hundred and ten subjects, ranging in age from 20-75 years, performed the task for nine hours following task training. The results indicated that abilities such as visuo-spatial skills, motor skills and processing speed had a significant impact on performance as did age and prior computer experience. With respect to age, the older participants completed less work than the younger and middle-aged subjects. Age differences in psychomotor skills and processing speed appeared to be important factors underlying age effects. In fact, the data indicated that after controlling for differences in these abilities age was no longer a significant predictor of work output. Further, after controlling for differences in work output the older people made fewer errors than the younger people. Overall the data suggest that older people will be at a disadvantage in the performance of computer-based data entry work to the extent to which speed of responding is emphasized. However, if speed of responding is not a critical element of performance they will be able to achieve comparable levels of performance to that of younger people.”

1995

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Czaja, Sara J., Sharit, Joseph and Nair, Sankaran N. (1995): Age Differences in Perception of Workload for a Computer Task. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 129-133.

“Research concerned with age and work activities is an important area of investigation since the workforce is aging and there are concerns regarding economic dependency as well as labor shortages for certain occupations. Previous work by the research team indicated age differences in the performance and perceptions of task difficulty and fatigue for three simulated real-world computer tasks. This study is an extension of that research and is investigating the extent to which age differences in performance and perceptions of workload are moderated by experience and task practice. One hundred and twenty subjects aged 25 yrs. to 75 yrs. performed a real-world data entry task. Data will be presented regarding age differences in the perception of workload, stress, discomfort, and attitudes towards computers. The implications of these results for design interventions will be discussed.”

1993

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Czaja, Sara J., Guerrier, Jose H., Nair, Sankaran N. and Landauer, Thomas K. (1993): Computer Communication as an Aid to Independence for Older Adults. In Behaviour and Information Technology, 12 (4) pp. 197-207.

“Computer and communication technologies offer the potential of improving the quality of life for older people by providing them with links to information and services outside of the home. This study examined the feasibility of older people using an electronic text message system to perform routine communication tasks. In addition information was gathered to identify design parameters which facilitate the interactions of older people with such computer based systems. A specialized and simplified 'communication computer' was placed in the homes of 36 older women, aged 50-95 years. The system was provided with: a simple text-editor, basic electronic mail functions and access to news/ weather, movie reviews, and health information. Both performance data and user preference data were collected. Results indicated that the participants liked using the system, were able to use it with minimal difficulty, and that it provided a valuable means for social interaction and mental stimulation. The findings suggest that computer-based systems can be a valuable support tool for older adults if they are easy to use, and provide applications that are useful for them.”

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