Publication statistics

Pub. period:1989-1998
Pub. count:5
Number of co-authors:5



Co-authors

Number of publications with 3 favourite co-authors:

Jawed Siddiqi:2
P. C. Wright:1
Michael D. Harrison:1

 

 

Productive colleagues

C. R. Roast's 3 most productive colleagues in number of publications:

Laurence Nigay:62
Michael D. Harriso..:50
Hilary Johnson:19
 
 
 

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C. R. Roast

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Publications by C. R. Roast (bibliography)

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1998
 
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Johnson, Hilary, Nigay, Laurence and Roast, C. R. (eds.) Proceedings of the Thirteenth Conference of the British Computer Society Human Computer Interaction Specialist Group - People and Computers XIII August 1-4, 1998, Sheffield, UK.

1997
 
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Roast, C. R. (1997): Formally Comparing and Informing Notation Design. In: Thimbleby, Harold, O'Conaill, Brid and Thomas, Peter J. (eds.) Proceedings of the Twelfth Conference of the British Computer Society Human Computer Interaction Specialist Group - People and Computers XII August, 1997, Bristol, England, UK. pp. 315-336.

This paper uses the analytic framework of cognitive dimensions to provide formal interpretations of dimensions for appraising the suitability of interactive systems for particular tasks. The framework also provides an effective terminology to support a wide range of assessments including interface evaluation, and the resistance of notations to modification. We propose that interface design can benefit from interpreting cognitive dimensions as tools for assessing software characteristics such as usability and modifiability. Our interpretation of these dimensions has the benefits of being formal and at the same time yielding practical measures and guidelines for assessment. In this paper our formalisation of cognitive dimensions examines and illustrates the dimensions of 'viscosity' -- resistance to change. We demonstrate the appropriateness of the measures developed as a means of assessing notational resistance to change and the general results that their formalization enables.

© All rights reserved Roast and/or Springer Verlag

 
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Roast, C. R. and Siddiqi, Jawed (1997): Towards a Framework for Managing Interface Delay. In: Proceedings of the Seventh International Conference on Human-Computer Interaction 1997. pp. 745-748.

1995
 
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Roast, C. R. and Siddiqi, Jawed (1995): Using the Template Model to Analyse Interface Specifications. In: Proceedings of the Sixth International Conference on Human-Computer Interaction July 9-14, 1995, Tokyo, Japan. pp. 483-488.

This paper describes the application of a formal modelling technique within human computer interface design. The model described is termed the template model which is a system based model which explicitly identifies system abstractions (known as template abstractions) that have a defined relation to intended task and users' capabilities [4]. Using template abstractions is it possible to express and analyse general interface usability properties within a formal framework. We describe the application of the template model in the analysis of a wysiwyg-style word processor. In this way we are able to demonstrate the potential role of the model and the impact of formal analysis with a familiar yet non-trivial application. In the case of the word processor analysed, we are able to characterise system constraints that determine what user tasks are supported. In general, we argue that employing the template model helps explicate assumptions about interface requirements.

© All rights reserved Roast and Siddiqi and/or Elsevier Science

1989
 
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Harrison, Michael D., Roast, C. R. and Wright, P. C. (1989): Complementary Methods for the Iterative Design of Interactive Systems. In: Proceedings of the Third International Conference on Human-Computer Interaction 1989. pp. 651-658.

The value of formal methods in the design of interactive systems is that (if they are understood) they can be effective in making design concepts precise, and making the specification of a system tractable. It then becomes possible to model key features of an interactive system. Once these features have been recognised, they may be used as an interpretive framework for empirical evaluation. This paper uses an example to illustrate the complementary relationship between analytical and empirical techniques in evaluating interactive systems. The example is a menu-based bibliographic database program (called REF). Parts of the system have been modelled, and mismatches between model and system have been used as a basis for formulating claims about the usability of the system.

© All rights reserved Harrison et al. and/or Lawrence Erlbaum Associates

 
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Changes to this page (author)

29 Jun 2007: Modified
29 Jun 2007: Modified
28 Jun 2007: Modified
28 Apr 2003: Added

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Page maintainer: The Editorial Team
URL: http://www.interaction-design.org/references/authors/c__r__roast.html

Publication statistics

Pub. period:1989-1998
Pub. count:5
Number of co-authors:5



Co-authors

Number of publications with 3 favourite co-authors:

Jawed Siddiqi:2
P. C. Wright:1
Michael D. Harrison:1

 

 

Productive colleagues

C. R. Roast's 3 most productive colleagues in number of publications:

Laurence Nigay:62
Michael D. Harriso..:50
Hilary Johnson:19
 
 
 

Upcoming Courses

go to course
User-Centred Design - Module 2
92% booked. Starts in 3 days
go to course
Design Thinking: The Beginner's Guide
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Featured chapter

Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess

User Experience and Experience Design !

 
 

Our Latest Books

 
 
The Social Design of Technical Systems: Building technologies for communities. 2nd Edition
by Brian Whitworth and Adnan Ahmad
start reading
 
 
 
 
Gamification at Work: Designing Engaging Business Software
by Janaki Mythily Kumar and Mario Herger
start reading
 
 
 
 
The Social Design of Technical Systems: Building technologies for communities
by Brian Whitworth and Adnan Ahmad
start reading
 
 
 
 
The Encyclopedia of Human-Computer Interaction, 2nd Ed.
by Mads Soegaard and Rikke Friis Dam
start reading