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Q: What investigations allow for the control of variables?
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How do you control the variables when investigations involve human?

The gender and age should be the same.


Is it easier to control dependent variables than independent variables in a scientific experiment?

It is easier to control independent variables


What organisms and systems allow scientist to control specific variables and environmental conditions in a way that may not be possible in the natural environment?

Model organisms


Does HTML allow you to declare integer real string and boolean variables?

HTML is not a programming language and as such does not allow you to declare variables.


What are contorlled variables in science?

We Is Doing A Project On Control Variables.


What are the two types of variables?

The two types of variables are the CONSTANT and CONTROL.


What are the variables that are not changed in an experiment?

In an experiment, variables that are not changed are called control variables. These variables are kept constant to ensure that any changes observed in the experiment are due to the manipulated variable, or independent variable, and not due to other factors.


Why is important to control variables in an experiment?

So that you can know what is the manipulating variable, the controlling variable, and the responding variable! To control the variables!


Variables that do not change in a experiment?

the dependant variable


What does not change in an experement?

The control variables.


What is purpose of having a control in a experiment?

Having a control in an experiment allows you to see what happens when no variables are changed. If you do not have a control, you do not have anything to compare your results with after changing variables of the experiment.


What are controlled independent and dependent variables?

control variables: the things that are not changing.Independent variables: the things that you change.Dependent variables: the things that are changed due to the independent variable