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Math sites in the “Dude! You have to check this out!” category

ByAnnMaria De Mars

Let’s face it, 90% of everything on the Internet is crap. This is especially true when it comes to educational resources. So I cannot believe I did not come across these until now. Maybe they were just lost in the swamp of effluvia.  I came across so many good resources lately that I am planning…

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The Myth of Equivalent Groups

ByAnnMaria De Mars

    In fantasy land and fairy tales, there is this thing called equivalent groups.  People are randomly assigned to a control group and a treatment group. Everyone in the treatment group receives the same treatment, for example, being sprinkled with exactly three teaspoons of fairy dust, and everyone in the control group does not….