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Experimental Design

Learning Targets

1.01B - I can design an experiment and/or evaluate the effectiveness of an experimental design, taking into account independent variable, dependent variable, and control variables.

Can you...

  • Identify and classify experimental variables as independent, dependent or controlled.
  • Make qualitative (non-mathematical) predictions about the relationship between variables
  • Record the procedure used to gather data from the apparatus
  • Construct and label a data table

Three Types of Variables:

  • Independent variable - the variable that is changed on purpose by the experimenter (It is what intentionally changed.)
    • There can only be one independent variable
  • Dependent variable - (responding variable) the factor or variable that may change as a result of the changes purposely made in the independent variable (It depends on what was intentionally changed.)
  • Variable held constant (constant/control) - factors in an experiment that are kept the same and not allowed to change or vary.
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  • Home
  • AP Physics 1
    • Lab Portfolios >
      • Sample Lab
      • Hall of Fame
    • Patterns and Measurements
    • Kinematics
    • Forces
    • 2D Motion
    • Energy
    • Momentum
    • Rotation
    • Electrostatics & Circuits >
      • Electric Charge
      • Electric Potential
      • Circuits
      • Ohm's Law
      • Kirchoff's Rules
  • AP Physics C
  • Explore Something New
  • About
  • Contact
    • Digital Portfolios