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You only change one variable in an investigation because if you change more than one you won't know which change affected the data.
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∙ 13y ago
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What is a testable variable?
A testable variable is what you test several times for a scientific investigation or medical investigation.
An experiment in which only one variable the manipulated variable is changed at a time is called?
Controlled
What is the diffrence between dependent variable and independent variable?
the dependent variable changes with the independent variable. the independent variable only changes when changed by the experimenter. Time is usually an independent variable.
In a experiment only one variable is changed at a time while all the other variables are kept unchanged?
Control Variable is the answer
What is the variable that is changed?
The manipulative variable.
What variable gets changed during an investigation?
Dependent variables
How many variables are changed in an investigation?
Only one variable at a time . after one time has passed you can use more ..
What is the only variable that should be changed to test?
Independent variable
Why is only one variable changed in a eperiment?
because the variable has many steps
Why does the investigator in an experiment change only one variable?
the investigator only changes one variable in an experiment because they need to see how that one variable reacts. if you wanted to see how the dependent variable changed but changed the independent variable you would not see how the one variable reacts.
What is a testable variable?
A testable variable is what you test several times for a scientific investigation or medical investigation.
What variable is the only one that purposely changed to test a hypothesis in an experiment?
Independent variable : )
Experiment in which only one variable the manipulated variable is changed at a time is?
controlled experiment
An experiment in which only one variable the manipulated variable is changed at a time is called?
Controlled
What is a changed variable?
a changed variable is something that you have changed
What variable is changed?
a changed variable is something that you have changed
What variable is the only variable that is purposely changed to test the hypothesis?
This variable is chosen by the research team according to the experiment project.
