• Corpus ID: 62420577

The impact of working memory limitations and distributed cognition on solving search problems on complex informational websites

  title={The impact of working memory limitations and distributed cognition on solving search problems on complex informational websites},
  author={Peter G. Polson and Margaret E. Toldy},
This research has two important sets of purposes. The first set of purposes was to evaluate working memory load and persistent behavior of computer users navigating complex websites, design and test the effectiveness of feedback intended to reduce revisits to previously-visited (dead-end) states, and determine the extent to which reducing revisits improves overall web navigation performance on difficult search tasks. The second purpose was to contribute to the development of the Cognitive… 
Information scent determines attention allocation and link selection among multiple information patches on a webpage
A preliminary similarity-choice theory of how people allocate attention among information patches on webpages while completing search tasks in complex informational websites is developed.
CogTool-Explorer: a model of goal-directed user exploration that considers information layout
This paper evaluates CTE1.2 predictions against observed human behavior on 108 tasks (36 tasks on 3 distinct website layouts) and demonstrates how these predictions can be used to identify areas of the UI in need of redesign.
Influence of Interfaces on Novice Users’ Performance in Social Virtual Worlds
Findings indicate that while affordance and feedback are significant factors influencing novice users’ performance, presence has no impact on their performance.
Human Problem Solving in 2010
A bibliography of 100 references related to human problem solving, arranged by subject matter, including human development, education, neuroscience, and research in applied settings, as well as animal studies are presented.
The Evolution of a Goal-Directed Exploration Model: Effects of Information Scent and GoBack Utility on Successful Exploration
We explore the match of a computational information foraging model to participant data on multi-page web search tasks and find its correlation on several important metrics to be too low to be used


A dual-space model of iteratively deepening exploratory learning
A cognitive model of exploratory learning, which covers both trial-and-error and instruction-taking activities, and demonstrates how cognitive modelling can describe behaviour of the kind discussed by theories of “situated cognition”.
Roles of working memory capacity and long-term working memory skill in complex task performance
The results indicated that an increase in LTWM skill decreases the role of WM capacity as the determinant of complex task performance, although both measures are important performance predictors.
Reassessing Working Memory: Comment on Just and Carpenter (1992) and Waters and Caplan (1996)
M. A. Just and P. A. Carpenter’s (1992) capacity theory of comprehension posits a linguistic working memory functionally separated from the representation of linguistic knowledge. G. S. Waters and D.
SNIF-ACT: A Cognitive Model of User Navigation on the World Wide Web
The model was tested against a detailed set of protocol data collected from 8 participants as they engaged in two information-seeking tasks using the World Wide Web and concluded that the combination of the IFT and the BSM provides a good description of user-Web interaction.
Cognitive Architecture for Website Design and Usability Evaluation : Comprehension and Information Scent in Performing by Exploration
Control laboratory studies of the Cognitive Walkthrough for the Web (CWW), an engineering approximation of Co LiDeS, offer strong empirical evidence for the psychological validity and reliability of CoLiDeS and suggest a promising future for C-I in HCI.
A capacity theory of comprehension: individual differences in working memory.
A theory of the way working memory capacity constrains comprehension is proposed. The theory proposes that both processing and storage are mediated by activation and that the total amount of
Repairing usability problems identified by the cognitive walkthrough for the web
A series of two experiments develop and prove the effectiveness of both full-scale and quick-fix CWW repair methods, and replicate CWW predictions that users will face serious difficulties if web developers fail to repair the usability problems that CWW identifies in web page designs.
Distributed cognition: toward a new foundation for human-computer interaction research
This article proposes distributed cognition as a new foundation for human-computer interaction, sketches an integrated research framework, and uses selections from earlier work to suggest how this framework can provide new opportunities in the design of digital work materials.
Human Memory: A Proposed System and its Control Processes