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Why is it important to test one variable at a time in an experiment?
If you change more than one variable at a time, you will not be able to tell which variable is responsible for what change. Scientists need to know exactly which variable caused the observed experimental results.
What is a tool that helps scientists determine if a phenomenon occurred by chance or if it is connected to an experimental variable?
Repetition of the experiment.
What is independent variables?
an independent variable is a variable that changes the dependent variable.___________________________________________________Independentvariableis:a factor or phenomenon thatcausesorinfluencesanotherassociatedfactor or phenomenon called adependent variable. For example,incomeis an independentvariablebecause it causes and influences another variableconsumption. In a mathematicalequationormodel, the independent variable is the variable whosevalueis given. In anexperiment, it is the controlledcondition(that is allowed tochangein asystematicmanner) whose effect on thebehaviorof a dependent variable is studied. Also calledcontrolled variable,explanatory variable, orpredictor variable.
What is the difference between base cost and variable cost?
You don't fire variable costs
What does variable motion mean?
A variable motion is a motion that changes over time example bus picking up kids and driving through a neighborhood to school.
What is a synonym for experimental variable?
Variable
What conditions must be met if you want to have a scientifically valid sample for a study?
You must have a control group, an experimental group, an experimental variable (also called the independent variable), and a response to be measured (also called the dependent variable). The experimental variable is applied only to the experimental group, so that any difference between the control group and experimental group is due only to the experimental variable. Both the control group and experimental group must have the same conditions, except for the experimental variable.
What is the experimental variable?
The independent variable is the one variable that you change in your experiment
What type of a variable is an experimental controls?
independent variable
What is experimental Variable?
The independent variable is the one variable that you change in your experiment
What type of variable is an experimental control?
Independent variable
What is the variable that the scientist changes in an experiment?
experimental variable
What type variable is an experimental control?
Independent variable
What is the experimental variable and what is the dependent variable?
the experimental variable is like the independent variable, which is the only thing you can change in a science experiment, and the dependent variables are the things that stay the same.
What is the difference between the independent variable and the experimental variable?
the independent variable is changed, and the experimental value measure. So you control the independent variable and change it to measure the results
What is the difference between an experimental variable and a control variable?
In a controlled experiment, the control variable remains constant while the experimental variable changes with each trial of the experiment.
What is the difference between experimental variable and a control variable?
In a controlled experiment, the control variable remains constant while the experimental variable changes with each trial of the experiment.
