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08_testmatrices

# 08_testmatrices - Test Matrices 16.621 Prof Earll Murman...

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Test Matrices 16.621 Prof. Earll Murman

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2 Variables z Independent Variable: A quantity that you will vary and control E.G.; angle of attack, chamber pressure or temperature, coefficient in algorithm, luminosity, gain, ... z Parameter: A quantity that is set or otherwise determined, which you will not vary but which needs to be recorded E.G.; atmospheric pressure, constant in algorithm, battery voltage,... z Dependent Variable: A measureable output quantity of your experiment which is a function of the input variables and parameters E.G.; reaction time, force, energy consumed, temperature
3 Exercise z With your partner, write down your expected variables and parameters. z Independent Variables z Parameters z Dependent variables

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4 Test Matrices z A graphical display of your experimental independent variables to help: Covey the scope of your experiment to your audience Plan and execute your experiment z Each cell represents a “data point” for your experiment for which you will collect values for the dependent variables. 4000 RPM 0 mph 5 mph 10 mph 15 mph 1000 RPM 2000 RPM 3000 RPM 0 RPM Propeller RPM Speed . Courtesy of Cyndi Vongvanith and Lester McCoy IVs DVs
5 Multi-Variable Experiments Factor = Number of independent variables

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08_testmatrices - Test Matrices 16.621 Prof Earll Murman...

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