The variable that the experimenter changes are
http://en.wikipedia.org/wiki/Dependent_variable
oh that's simple its like when you have an m&m when you suck on it looses color but it doesnt lose the chocolate so what is the variable= the colored outside
The variable that the experimenter changes in an experiment is known as the independent variable. The independent variable is the factor or condition that is intentionally manipulated or controlled by the experimenter in order to study its effect on the dependent variable.
To identify the independent variable, you need to look for the factor or condition that the experimenter deliberately alters or controls during the experiment. This can be done by carefully examining the experimental design or procedure.
Here is a step-by-step guide to identifying the independent variable in an experiment:
1. Read the experimental description or question carefully to understand the purpose and objectives of the study.
2. Look for any mention of factors that the experimenter is intentionally changing or manipulating.
3. Identify any specific actions, treatments, or conditions that are being applied to different groups or samples in the experiment.
4. Consider the different options or levels of the factor being tested and determine how they are being varied.
5. Once you have identified the factor or condition that is intentionally altered in the experiment, you have found the independent variable.
Remember that the independent variable is the one that is being changed or manipulated by the experimenter, and it is generally plotted on the x-axis when graphing the data from the experiment. It is critical to identify the independent variable accurately to ensure the proper interpretation of the study's results.