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Q: What are three kinds of variables used in scientific investigation?
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What are the three variables that play an important role in a Practical Investigation?

Independent Variables, Dependent Variables and Extraneous Variables.


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I'm thirteen so don't be embarrassed if i know it and you don't. ( no offense) The three types of variables in scientific inquiry is Independent variable Dependent variable Control variable


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What are the three basic steps that's scientists use to conduct a scientific investigation?

The scientific method of inquiry has three basic steps: Observe Question/hypothesize Experiment.


What are the basic steps that scientist use to conduct a scientific investigation?

The scientific method of inquiry has three basic steps: Observe Question/hypothesize Experiment.


Anova depends on having independent variables describe an abuse that might occur by having dependent variables?

there are three kinds of variables.a variable must be a situation,condition or a factor1.change or manipulated variables.-are the variables that are being tested or changed.2.constant variables.-are the variables that you are not intended to test or study,or the variables to be kept constant.3.responding variables.-are the results of the maipulated variables.