Expert answer:i have assigmant and there are some questions I am

Solved by verified expert:QUESTION 211.[Chapter 8] ________ allows predictions to be made about how long it takes an expert user to perform a task. A. GOMS (Goals, Operators, Methods, and Selection rules) B. KLM (Keystroke level model) C. NGOMSL (Natural GOMS Language) D. CPM-GOMS (Cognitive Perceptual Motor-GOMS or Critical Path Method -GOMS) E. Fitts’ Law F. Steering Law 1 points QUESTION 221.[Chapter 8] Find the one that does not belong to the advantages of GOMS model. A. Only works for goal-directed tasks B. Gives several qualitative and quantitative measures C. Less work than usability study D. Easy to modify when interface is revised 1 points QUESTION 231.[Chapter 8] To distinguish displays, we need to use usage characteristics. Find the one that does not belong to the usage characteristics? A. Portability B. Privacy C. Saliency D. Ubiquity E. Simultaneity F. Variability 1 points QUESTION 241.[Chapter 8] Explain the difference between Fitts’ Law and Steering Law? Path: p Words:0 1 points QUESTION 251.[Chapter 8] Explain the advantages of Pie menu compared to Pop-up menu (in consideration of the Fitts’ Law)? Path: p Words:0 1 points QUESTION 261.[Chapter 8] Explain the meaning of Resolution and Aspect ration in a raster-scan display system? Path: p Words:0 10 points QUESTION 271.[Chapter 9] Find the one that does not belong to the goals of cooperation (collaboration)? A. Focused partnerships B. Conference C. Structured work processes D. On-line communities E. Teleoperator 1 points QUESTION 281.[Chapter 9] Computer-Supported Cooperative Work (CSCW) systems are often classified by the time and space of the collaborative activities they support. The variation for the time dimension depends on whether the participants in the collaboration act at the same time (_______) or at different times (_______). The spatial or geographic variation is that the collaborators are either in the same place (_________) or in different places (_______). A. synchronous, asynchronous, co-located, remote B. asynchronous, synchronous, co-located, remote C. synchronous, asynchronous, remote, co-located D. synchronous, asynchronous, remote, co-located 1 points QUESTION 291.[Chapter 9] Find the one that does not belong to limitations of audio and video conferencing? A. slow response time B. small image size C. potential invasion of privacy D. adequate lighting 1 points QUESTION 301.[Chapter 9] Find the one that does not belong to issues of ownership and control in audio and video conferencing? A. private and public workspaces B. identity of participants C. location of actions D. care with updating E. synchronous communication

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