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How SAS Helped Me Make Our Best-Selling Educational Game: Part 2

Last time, I gave a bit about the requirements of a game to match the most synonyms in one minute, and how what I learned using SAS was a basis for several parts of the game. This activity is going into Making Camp Premium, which will be a paid version of our best-selling game, Making…

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Standardized testing: Solving your reliability problem

Where we left off, the reliability was unacceptably low for our measure to assess students knowledge of multiplication, division and other third and fourth grade math standards. We were sad. One person, whose picture I have replaced with the mother from our game, Spirit Lake, so she can remain anonymous, said to me: But there…

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Statistics Answers the Most Important Social Question

Occasionally, when I am teaching about a topic like repeated measures Analysis of Variance, a brave student will raise a hand and ask, Seriously, professor, WHEN will I ever use this? The aspiring director of a library, clinic, afterschool program, etc. does not see how statistics apply to conducting an outreach campaign or HIV screening…

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Mom! That Evaluator Keeps Looking at Me!

If I were to give one piece of advice to a would-be program evaluator, it would be to get to know your data so intimately it’s almost immoral. Generally, program evaluation is an activity undertaken by someone with a degree of expertise in research methods and statistics (hopefully!) using data gathered and entered by people’s…

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Urban vs Rural Barriers to Ed Tech: An example of Fisher’s Exact Test

Who was it that said asking a statistician about sample size is like asking a jeweler about price. If you have to ask, you can’t afford it. We all know that the validity of a chi-square test is questionable if the expected sample size of the cells is less than five. Well, what do you…