The effects of multimodal feedback on older adults' task performance given varying levels of computer experience

Jacko, Julie A.; Emery, V. Kathlene; Edwards, Paula J.; Barnard, Leon; Kongnakorn, Thitima; Moloney, Kevin P.; Sainfort, François

doi:10.1080/01449290310001659213

Cited by 33 publications

(18 citation statements)

References 48 publications

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“…The sample is therefore not representative of the general population. As recruitment was on a voluntary basis, these results were anticipated, as an interest in computers has been found to correlate with increased experience in the use of computers (Albert, 1987, Jacko et al, 2004. Albert (1987) also found these factors to be related to socioeconomic status and computer confidence though these were not directly assessed in this study.…”

Section: Discussionmentioning

confidence: 60%

A self-administered dietary assessment website for use in primary health care: usability testing and evaluation

Probst

Tapsell

2007

PHC

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A dietary assessment website for use in the primary healthcare setting has been developed. The website allows patients, referred from their GP, to self-report their dietary intake. Data from the website feeds to a dietitian who develops individualised dietary advice for the patient. The aim of this paper is to describe the usability testing of the dietary assessment website with its potential users. Testing was broken into two phases. Fortytwo free-living adults with metabolic syndrome volunteered, 17 completed phase one and 10 completed phase two, with a 64% rate of completion. Phase one participants spoke aloud as they progressed through the selfadministered dietary assessment website under researcher observation. Observed difficulties in website use and need for assistance was recorded and the website underwent modifications between phases. Only four participants in phase 1 required large amounts of assistance. Phase two participants progressed through the website without observation or using the think-aloud protocol. This simulated the environment in the GP practice within which the website was to be implemented. All participants completed pre-and post-use questionnaires assessing feelings toward use, computer experience and problems encountered. Questionnaires were thematically analysed for relationships between website use and participant feelings. Time taken to use the website was recorded automatically. Website features were grouped into 'action classes' e.g. selecting food items, and times taken were calculated for each class. Comparisons (t-tests) were made between the action classes for the two phases. Average time taken to select the food items was 31mins and 24mins for phase one and two respectively. Total time taken was approximately 1 hour and varied by four minutes between phases. Time taken to complete the dietary assessment was comparable to a face-to-face diet history with a dietitian. The website was found to be highly user-friendly with little assistance being required for most levels of computer experience. Dietary management may be overlooked by GPs, yet by offering different methods of accessing dietitians, management may improve. completed phase one and 10 completed phase two, with a 64% rate of completion.Phase one participants spoke aloud as they progressed through the self-administered dietary assessment website under researcher observation. Observed difficulties in website use and need for assistance was recorded and the website underwent modifications between phases. Only four participants in phase 1 required large amounts of assistance. Phase two participants progressed through the website without observation or using the think-aloud protocol. This simulated the environment in the GP practice within which the website was to be implemented. All participants completed pre-and post-use questionnaires assessing feelings toward use, computer experience and problems encountered. Questionnaires were thematically analysed for relationships between website use and participant feelin...

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Section: Discussionmentioning

confidence: 60%

A self-administered dietary assessment website for use in primary health care: usability testing and evaluation

Probst

Tapsell

2007

PHC

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“…Systems and interfaces use various types of feedback as part of their design. Jacko et al (2004) found that both novice and experienced older users can benefit from improved feedback combinations more significantly than the younger user groups. Although the experienced user performed well with drag and drop tasks, they also benefited from multimodal feedback.…”

Section: Age-related Interface Issuesmentioning

confidence: 94%

ICT Interface Design for Ageing People and People with Dementia

Wallace

Mulvenna

Martin

et al. 2010

Advanced Information and Knowledge Processing

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Ageing population trends, rising healthcare costs and social and digital inclusion are all factors in the background to the problem of older adults interacting with technology. Approaches to address "physical accessibility" and "access to technology" issues, as well as training for existing systems are evident, yet a usability issue still prevails. The primary aim of this chapter is to provide an overview of the research and literature and discuss the differing contexts in which older people and people with dementia interact with computerised systems and their associated issues.

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“…However, previous research also suggests an advantage of auditory haptic over visual haptic feedback for older users executing simple movement tasks (e.g. drag and drop) (Jacko et al, 2004).…”

Section: Older and Younger Usersmentioning

confidence: 98%

Multimodal interaction: A suitable strategy for including older users?

Naumann

Wechsung

Hurtienne

2010

Interacting with Computers

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a b s t r a c tThe major promise of multimodal user interfaces for older users is that they have the choice to select the input modality (or combination of modalities) that best fits their needs and capabilities. Two studies investigated if multimodal interfaces with touch, speech, and motion control fulfil the expectation of being superior to the interaction with single modalities in a mobile device regarding efficiency, robustness, and user satisfaction. The results of both studies show a superiority of multimodality over the single modalities speech and motion control and a slight advantage over touch, which was the modality most frequently used even in the multimodal condition in which any modality or a modality combination could be chosen. Differences between old and young users were only shown for motion control which turned out to be less suitable for older people. The major promise of multimodality for inclusive design thus does not seem warranted so far. However, other applications and contexts of use need to be investigated.

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The effects of multimodal feedback on older adults' task performance given varying levels of computer experience

Cited by 33 publications

References 48 publications

A self-administered dietary assessment website for use in primary health care: usability testing and evaluation

A self-administered dietary assessment website for use in primary health care: usability testing and evaluation

ICT Interface Design for Ageing People and People with Dementia

Multimodal interaction: A suitable strategy for including older users?

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