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Fathom/DataSpace:Finzer, William. (2000). "Design of Fathom, a Dynamic Statistics Environment, for the Teaching of Mathematics" Addresses the question: “Is bringing technology into the mathematics classroom an end in itself, or is the technology in the service of some larger goal relating to bringing mathematical understanding and power to students? If the latter, what are software designelements that really make a difference in this regard?”Finzer describes learning as a process of dynamic engagement with and intervention in the real world. Fathom emphasizes this approach to learning in two ways—by facilitatingthe manipulation of mathematical objects drawn from real world data, and by providing opportunities for interactive statistical manipulations of those objects.Mathematics software design principles:- Dynamic Manipulation—user can deform objects with constraints continuously satisfied and updated- Touch—user can change objects directly without entering a mode- Make Mathematics Useful—provides a domain in which learners do things they find interesting and useful- Outreach—provides portals to other disciplines- Design with Teachers in MindFinzer, William and Timothy E. Erickson. "DataSpace—A Computer Learning Environment for Data Analysis and Statistics Based on Dynamic Dragging, Visualization, Simulation, and Networked Collaboration.”Technology should allow students to ask and answer questions of the form, “What will happen if?”Key design aspects:- Dynamic Dragging—“the learning takes place during the drag”; graphs in motion andcontrol of dynamic display- Visualization—facilitates dynamic diagrams- Simulation—resampling for inferential statistics- Networked Collaboration—digesting internet data and facilitating data sharingCarver, Ruth. “Fathom Dynamic Statistics Software.” (review)Software review questions:1. What will my students learn from using this program that they wouldn’t be able tolearn without it?2. How easy is the software to use? How much time will be needed to learn the software before my students would be able to learn from the software?3. What does this program do that can’t be done with technology already available, such as the graphing calculator?4. Can the software be used in more than one course?NCTM Data Analysis and Probability Strand:All students should be able to:- Formulate questions that can be addressed with data and collect, organize, and display relevant data to answer them- Select and use appropriate statistical methods to analyze data- Develop and evaluate inferences and predictions that are based on data- Understand and apply basic concepts of probabilityStarfields and Dynamic Queries: Ben Shneiderman. “Direct Manipulation for Comprehensible, Predictable, and Controllable User Interfaces”Direct manipulation user interfaces are characterized by an ease and enjoyment in learning the system, immediate interaction and feedback, and reduced anxiety and sense of control. These features make direct manipulation preferable to adaptive agent and user models, which may suffer from an assumption that human-computer interaction should be modeled on human-human ineractions.Three design principles characterize direct manipulation systems:1. Continuous representation of the objects and actions of interest2. Physical actions or presses of labeled buttons instead of complex interactions3. Rapid incremental reversible operations whose effect on the object of interest is immediately visibleBen Shneiderman. “Dynamic queries for visual information seeking.”Dynamic queries are facilitated by the application of direct manipulation principles to database environment to allow visual presentation of query components and results; rapid, incremental and reversible control of queries, and immediate and continuous feedback. Examples of applications include:- Geography (Homefinder)- Education (Dynamic periodic table)- Alphanumeric


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Stanford EDUC 299X - Fathom - DataSpace

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