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Testing

  • Memorathon is an on-line game in which a person is expected to repeat a sequence of buttons provided by an electronic device. Each time you successfully repeat the given sequence of buttons, the sequence gets longer. The challenge is to remember as long a sequence as possible. Cognitive psychologists test short-term memory using serial recall, which evaluates the ability of people to recall information in the specified order in which it was presented. Measuring how many items a subject can remember in order without an error, called memory span, is also studied. The Memorathon Game is an example of serial recall and memory span.  This on-line game provides students the opportunity to design multiple versions of the Memorathon Game in order to test which variables have the largest effect on memory. You can leave all the variables blank when you are simply trying out the game, however, if you want to find your score in the database of results, input any specific course ID and student ID.

    http://web.grinnell.edu/individuals/kuipers/stat2labs/Simon.html

  • Statistically Grounded is an on-line game that introduces multivariate issues in a simplified game environment. Students are asked to serve as a consultant for their friend, Joe. Joe is starting his own coffee company and students help him design a study to determine whether factors, such as location, time of day, price, type of music, or some combination of these influence sales. The on-line game allows students to design a study, sample data, and make suggestions on how Joe's business should be run. The game then simulates several months of business based on student's suggestions. The goal is to design a plan that will earn the most sales and make the largest amount of profits.

    http://web.grinnell.edu/individuals/kuipers/stat2labs/CoffeeTruck.html

  • Tangrams are puzzles in which a person is expected to place geometrically shaped pieces into a particular design. The on-line Tangram Game provides students the opportunity to design many versions of the original game in order to test which variables have the largest effect on game completion time.

    http://web.grinnell.edu/individuals/kuipers/stat2labs/Tangrams.html

  • Lyrics © 2017 Dennis K. Pearl
    may sing to the tune of  Sting’s  "Every Breath You Take"

    Every test you make, and every inference you take,
    Every time you make, assumptions you break, I’ll be watching you
    Every single day, and every way you weigh
    Every time you say, my design’s okay, I’ll be watching you

    Oh, can’t you see, you can’t just find p
    How my poor heart aches with every step you take

    Every time you choose, the Normal to use
    Every time your game, is variance the same, I’ll be watching you

    Since you've gone, the matrix lost its trace
    I can see it’s not a full rank space
    I look around but don’t see what to replace
    I feel so nonlinear, I long for an easy case
    I keep crying, "Transformation please!"

    Oh, can’t you see, you can’t just find p
    How my poor heart aches with every step you take

    Every time you shout, “Outliers are out!”
    Every time you flirt, with a new x to insert, I’ll be watching you
    Every study without control, every time you poll, I’ll be watching you

    I’ll be watching you
    Every test you make, and every inference you take,
    Every time you make, assumptions you break (I’ll be watching you)
    Every single day, every way you weigh
    Every time you say, my design’s okay (I’ll be watching you)
    Every time you choose, the Normal to use
    Every time your game, is variance the same (I’ll be watching you)

    Every single day, every way you weigh
    Every time you say, my design’s okay (I’ll be watching you)

    Every test you make, and every inference you take,
    Every time you make, assumptions you break (I’ll be watching you)
    Every single day, every way you weigh
    Every time you say, my design’s okay (I’ll be watching you)
    Every time you choose, the Normal to use
    Every time your game, is variance the same (I’ll be watching you)
    Every single day, every way you weigh
    Every time you say, my design’s okay (I’ll be watching you)

  • … what a weak barrier is truth when it stands in the way of an hypothesis!

    Mary Wollstonecraft (1759 – 1797)

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