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Visualizing Statistics to aid Student Comprehension: Three Demonstrations

Visualizing Statistics to aid Student Comprehension: Three Demonstrations . Demonstration #1. Tool Survey Monkey Classes: General Psychology Social Psychology Psychometrics (Measurement and Evaluation) Cost Free if you are using fewer than 10 items Task

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Visualizing Statistics to aid Student Comprehension: Three Demonstrations

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  1. Visualizing Statistics to aid Student Comprehension: Three Demonstrations

  2. Demonstration #1 • Tool • Survey Monkey • Classes: • General Psychology • Social Psychology • Psychometrics (Measurement and Evaluation) • Cost • Free if you are using fewer than 10 items • Task • Have students create a short survey • Collect Data • Use Survey Monkey “Analyze” • Useful Analysis and Visualization • Percentages • Cross Tab • Creating Charts

  3. Survey Monkey • surveymonkey.com

  4. Demonstration #2 • Tool • Excel • Classes: • Any, though requires a great deal of faculty attention &/or student training • Cost • Already available at most colleges • Task • Students can either enter their own data or can be provided with data • Have students explore “Insert Chart” options • Useful • Understanding ways to misrepresent data (e.g., axis labels) • Different data require different forms of graphing • Changes in graphs can change how data is “visible” • Demonstrating Interactions

  5. Excel • Viewing Data • Graphing – misleading axis • Interactions

  6. Demonstration #3 • Tool • Mathematica • Classes • Statistics • Cost • The demonstration version is free: http://www.demonstrations.wolfram.com/?affilliate=1 • Task • Provide students with links to visual demonstrations on statistical concepts • Assign a task that instructs them what to do and/or questions to answer • Useful • Dozens of uses, and more being added regularly

  7. Mathematica • Bubble Chart demonstration: http://www.demonstrations.wolfram.com/BubbleChartComparisonsOfCountries/ • Effects of multiple comparisons on Type 1 error http://www.demonstrations.wolfram.com/TheHazardOfMultipleComparisons/ • Hypothesis testing – rejection region • http://www.demonstrations.wolfram.com/HypothesisTestsAboutAPopulationMean/

  8. Bubble Graphs

  9. Type 1 Error

  10. t-test

  11. Thank you • bgreen@esu.edu • statisticalsage.wordpress.com

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