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Give long answers to the following questions:

1. Define independent variables. List the importance of independent variables in scientific research.

2. What do you mean by dependent variables? List the importance of dependent variables in a scientific study.

3. What is the controlled variable? List the importance of controlled variables.

4. Some variables should be controlled while performing an experiment. Give reasons.



Answer :

GinnyAnswer

Final answer:

Independent variables are controlled factors that determine their relationship to the observed phenomenon, while dependent variables change in response. Controlled variables are kept constant to prevent them from impacting the relationship between independent and dependent variables.


Explanation:

Independent variables are factors that are controlled by the experimenter to determine their relationship to the observed phenomenon (the dependent variable). In contrast, dependent variables change in response to the independent variable. Controlled variables are factors that are kept constant to prevent them from influencing the effect of the independent variable on the dependent variable.


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