1. What is the independent variable in this investigation?
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2. What is the dependent variable?
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3. What are the controlled variables?
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2. What is the dependent variable?
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3. What are the controlled variables?
Answer:
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1.The independent Variable
The independent variable is the variable the experimenter changes or controls and is assumed to have a direct effect on the dependent variable.
2.The dependent variable
The dependent variable is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable. An example of a dependent variable is depression symptoms, which depends on the independent variable (type of therapy).
3.Controlled variables
A control variable in scientific experimentation is an experimental element which is constant and unchanged throughout the course of the investigation.