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Discussion for Guessing Correlations
Beverly Wood (Faculty)
I don't always have time to use this in class at the end of Intro Stats but when I do (or sometimes when I assign it as homework) there are always students who LOVE it. The visual impact of seeing a variety of correlations coefficients in the side-by-side scatter plots is perfect for some students.
Robert Lockwood (Faculty)
This is an easy to use and fun applet to help students visualize the pattern of a correlation between two variables. I think students will like the ability to compete against the world. This certainly could be incorporated into an online lecture to reinforce the concept around the strength and direction of a correlation.
Megan Mocko (Faculty)
This is one of my favorite applets to use in class. I use this in the middle of the lecture, to break up the lecture a little. I have the students guess the values of coorelation as a group. They always find it fun to play a game in the middle of class!
Dorothy Fuller (Faculty)
This tool has become a favorite in my Introduction to Educational Research course. Many of my students have complained that they find scatter plots confusing or even incomprehensible. When they use this tool, they normally compete with themselves, and many have reported not only their enjoyment, but also their increased understanding and decreased apprehension with this statistical application. It is definitely a winner.
Karen Nielsen (Student)
Very straight-forward and simple. The option of having students compete against each other is a nice touch, but instructors will need to set up their own group id via email in advance.
As another reviewer pointed out - sometimes two correlations are very similar (such as .86 and .87). I think this could get frustrating for students.
It would also be nice if a group id could be generated automatically instead of by emailing the material's creator.
Michael Ernst (Faculty)
Camille Fairbourn (Faculty)