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4434Visual Analysis of Variance (ANOVA)
http://www.merlot.org/merlot/viewMaterial.htm?id=89485
Visual ANOVA is an interactive Flash program which demonstrates visually how variability between and within experimental groups contributes to the F ratio in the Analysis of Variance. It is not a numerical calculator; rather it visually and holistically demonstrates the relations among important concepts. Visual ANOVA is supported by online instructions and by an extensive online lecture explaining the theory behind the Analysis of Variance. The online lecture is supported by two types of assignments: 1) Online computer-graded homework, and 2) A pdf file that gives students the opportunity to do handwritten homework problems with answer keys.Utah Virtual Lab for teaching Science, Methods, and Statistics
http://www.merlot.org/merlot/viewMaterial.htm?id=89373
The Utah online Virtual Lab is a JAVA program run dynamically off a database. Instructors author a statistical virtual reality simulating theories and data in a specific research focus area by defining independent, predictor, and dependent variables and the relations among them. Students work in an online virtual environment to discover the principles of this simulated reality: they go to a library, read theoretical overviews and scientific puzzles, and then go to a lab, design a study, collect and analyze data, and write a report. A student's design and data analysis decisions are computer-graded and recorded in a database; the written research report can be read by the instructor or by other students in peer groups simulating scientific conventions.Difference to Inference: Using Deductive and Inductive Logic to make Inferences
http://www.merlot.org/merlot/viewMaterial.htm?id=89228
Difference to Inference is an online JAVA program simulating theory testing and falsification through research design and data collection in a game format. The program, based on cognitive and epistemological principles, is designed to support the learning of thinking skills underlying deductive and inductive logic and statistical reasoning. Students must strategically plan a series of studies and then use the data from those studies to eliminate competing theories. Difference to Inference has database connectivity so that game scores can be counted as part of course grades. No other assignments are necessary. Difference to Inference is supported by an online tutorial for its use and by an online course lecture explaining the principles of scientific methodology behind its play. A companion game whose play fits extremely well with Difference to Inference (for teaching scientific methodology) is called "Detect Difference." Articles about Difference to Inference can be found in the May 2001 issue of Behavior Research Methods Instruments & Computers and in The Journal of Infomation Technology in Medicine (2000).Normal Probability Tool
http://www.merlot.org/merlot/viewMaterial.htm?id=91030
A simple to use JAVA applet that finds Normal probabilities. Simply set mu, sigma, upper and lower scores. Normal Tool shows the area under the curve along with the probability. Detailed instructions are included. Optional web lecture on the Normal Probability Distribution is also included. Two kinds of Assignments are provided under the assignment link--one assignment is computer graded and uses a JAVA applet, the other assignment is a typical story problem homework with answer key in pdf format.