Topic
Task analysis
About: Task analysis is a research topic. Over the lifetime, 10432 publications have been published within this topic receiving 283481 citations.
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TL;DR: This work applied a novel combination of multiple regression analysis and distribution analysis to determine how conflict on the present trial and carry-over from the previous trial affect responding, suggesting that when conflict is experienced on the subsequent trial the previous compensatory processing may be re-activated more efficiently.
112 citations
10 Oct 2004
TL;DR: This paper describes a comparative experiment with five well-known tree visualization systems, and Windows Explorer as a baseline system, resulting in several findings and design recommendations as well as implications for future experiments with tree visualization system.
Abstract: This paper describes a comparative experiment with five well-known tree visualization systems, and Windows Explorer as a baseline system. Subjects performed tasks relating to the structure of a directory hierarchy, and to attributes of files and directories. Task completion times, correctness and user satisfaction were measured, and video recordings of subjects' interaction with the systems were made. Significant system and task type effects and an interaction between system and task type were found. Qualitative analyses of the video recordings were thereupon conducted to determine reasons for the observed differences, resulting in several findings and design recommendations as well as implications for future experiments with tree visualization systems
111 citations
Book•
01 Jan 1997TL;DR: An introduction to the Scenario-based Engineering Process and techniques for planning and managing Effective Requirements Activities and selecting the Right Techniques for Problem-Solving.
Abstract: Contents: Part I:Introduction to the Scenario-based Engineering Process. Engineering Activities and Artifacts. Part II:Process & Techniques. Planning and Managing Effective Requirements Activities. Selecting the Right Techniques. Scenario Elicitation, Analysis, and Generation. Conducting and Analyzing Interactive Observation Sessions. Conducting and Using the Interview Effectively. Defining Work Processes and Conducting Task Analysis. Eliciting and Analyzing Domain Concepts. Using Process Tracing to Analyze the Problem-Solving Process. Conducting and Analyzing Group Sessions. Evaluating and Refining Requirements.
111 citations
01 Sep 2011
TL;DR: The enhanced operator function model (EOFM) is developed as an Extensible Markup Language-based, platform- and analysis-independent language for describing task analytic models and an automated process for translating an instantiated EOFM into the model checking language Symbolic Analysis Laboratory is presented.
Abstract: Formal methods are typically used in the analysis of complex system components that can be described as “automated” (digital circuits, devices, protocols, and software). Human-automation interaction has been linked to system failure, where problems stem from human operators interacting with an automated system via its controls and information displays. As part of the process of designing and analyzing human-automation interaction, human factors engineers use task analytic models to capture the descriptive and normative human operator behavior. In order to support the integration of task analyses into the formal verification of larger system models, we have developed the enhanced operator function model (EOFM) as an Extensible Markup Language-based, platform- and analysis-independent language for describing task analytic models. We present the formal syntax and semantics of the EOFM and an automated process for translating an instantiated EOFM into the model checking language Symbolic Analysis Laboratory. We present an evaluation of the scalability of the translation algorithm. We then present an automobile cruise control example to illustrate how an instantiated EOFM can be integrated into a larger system model that includes environmental features and the human operator's mission. The system model is verified using model checking in order to analyze a potentially hazardous situation related to the human-automation interaction.
111 citations
TL;DR: Initial findings indicate that videoconferencing-supported negotiation of meaning may facilitate second language acquisition at a distance and has its own distinct features.
Abstract: The aim of this research is to reveal the dynamics of focus on form in task completion via videoconferencing This examination draws on current second language learning theories regarding effective language acquisition, research in Computer Mediated Communication (CMC) and empirical data from an evaluation of desktop videoconferencing-supported task completion by distance learners of Chinese Occasions of focus on form that occurred in this learning environment are explored using the Varonis and Gass model (1985) for negotiation of meaning Initial findings indicate that videoconferencing-supported negotiation of meaning may facilitate second language acquisition at a distance and has its own distinct features Issues for future research in the employment of videoconferencing for L2 learning at a distance are suggested
111 citations