8 Questions
What is the independent variable in an experiment?
The independent variable is the item that an experimenter changes or controls.
What is the dependent variable in an experiment?
The dependent variable is the item that an experimenter measures to determine how it was affected.
What is the difference between the experimental group and the control group?
The experimental group receives the treatment that an experiment is designed to test, while the control group is a set of individuals treated in the same way as the experimental group except for the procedure that the experiment is designed to test.
What is random assignment in an experiment?
Random assignment is when the experimenter uses a chance procedure, such as drawing names out of a hat, to make sure that every participant has the same probability as any other participant of being assigned to a given group.
True or false: The control group receives the treatment that an experiment is designed to test.
False
True or false: The dependent variable is the item that an experimenter changes or controls.
False
True or false: Random assignment ensures that every participant has the same probability as any other participant of being assigned to a given group.
True
True or false: The experimental group is a set of individuals treated in the same way as the control group except for the procedure that the experiment is designed to test.
False
Test your knowledge of experimental design with this quiz on key concepts such as independent and dependent variables, experimental and control groups. Sharpen your understanding of the fundamentals of conducting experiments and analyzing results.
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