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Gives a very brief explanation of Spearman' rho and how it differs from Pearson's r.
Cumulative Rating: (not yet rated)
Date Of Record Creation 2004-07-27 10:06:00
Date Last Modified 2004-07-27 16:19:00
Date Of Record Release 2004-07-27 10:06:00
Alternate Title Introduction to Biostatistics
Source http://davidmlane.com/hyperstat/index.html
Relation http://statman.stat.sc.edu/~west/applets/normaldemo1.html
Email Address dmlane@davidmlane.com
Date Issued 2003
Resource Type
Audience
Format
Typical Learning Time Various
Author Name David M. Lane
Author Organization Rice University
General Comments dead link
Technical Requirements Java-capable browser
Comments Dead link.
Content Quality (Concerns) None.
Content Quality (Strengths) This activity does a nice job of guiding students through the hypothesis testing process. It also gives good hints to students when they make errors in their work. This instruction is at least as valuable as the instruction provided when students get the correct answer.
Ease of Use (Concerns) The applet opens embedded in the browser page, which keeps students from having both the worksheet and the applet open at the same time. Potential users should make sure that they instruct students to print this worksheet prior to moving forward. The presentation also implies that there may be more examples than there are, the actual focus of this tutorial is the applet simulation of the sampling distribution.
Ease of Use (Strengths) The applet is quite easy to use and navigate through.
Potential Effectiveness (Concerns) A minor downside of this tutorial is that it forces students to review the normal distribution prior to allowing them to move on to the material at hand. This may cause some students to stop working through the tutorial before they reach the more important simulations and exercises.
Potential Effectiveness (Strengths) This type of tutorial solves a problem that many instructors face. It is difficult to have students experience much about repeated samples in a textbook or even in a class because it takes too much time/energy. An applet like this is very useful and the tutorial is well-done. I think that students and faculty might not persist through the examples in the tutorial to find the applet.
Source Code Available 1
Material Type
Statistical Topic
Application Area
Copyrights
Cost involved with use
Intended User Role
Math Level

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