what should you ask yourself when looking for an independent variable in an experiment?
I would ask whether that variable can be manipulated or not.
Here is more info on experimental variables that might be helpful.
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable.
A dependent variable is the response or measure of results.
Extraneous variables — other than the independent variable — potentially can affect the dependent variable, so they must be controlled. If possible, you try to keep them constant between the experimental and control group.
The experimental group receives the independent variable.
The control group is similar to experimental, except it does not receive the independent variable. Extraneous variables are balanced between experimental and control groups.
I hope this helps a little more. Thanks for asking.
When looking for an independent variable in an experiment, there are a few key questions you should ask yourself:
1. Can this variable be manipulated? An independent variable is the potential stimulus or cause that is typically directly manipulated by the experimenter. It can also be referred to as a manipulative variable. Consider whether you have the ability to control or change this variable in your experiment.
2. Is this variable the potential cause of the observed effects? The independent variable is the variable that you believe has a causal relationship with the dependent variable, which is the response or measure of results. Think about whether the variable you are considering is likely to have an impact on the outcome you are interested in studying.
3. Can this variable be controlled and balanced between different groups? In experimental design, it's important to control for extraneous variables that could potentially affect the dependent variable. These extraneous variables, other than the independent variable, should be kept constant or balanced between different groups in order to isolate the effects of the independent variable. Consider whether you have the ability to control and balance the variable you are considering.
By asking yourself these questions, you can identify a suitable independent variable that can be manipulated and is likely to be the cause of the observed effects. Remember to always consider the specific context and goals of your experiment when selecting an independent variable.