you have to decipher out what exactly it is saying buut...
participants that are exposed to the independent variable are in the experimental group and the participants who are treated the same way as the experimental group, except that they are not exposed to the independent variable, make up the control group...
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The independent variable is the variable being manipulated in the experiment in order to show the effect on the dependent variable. It is also called the experimental variable.The dependent variable is the variable being observed in the experiment. Changes in the dependent variable as a result of changes in the independent variable are observed, which is the purpose of the experiment. Dependent variable is also called the response variable.
There math tools used in a experiment (Ex: Like in a hypothesis) If u use them u will be able to measure your results and have accurate data.
I am also doing a science expo right now! The variable can be two things. The independent/manipulated variable is the info u already know. For instant, if u were testing which brand of balls bounced the highest, the types of balls would be the independent variable. The dependent/responding variable is the info u want to find out. For example, in the ladder experiment, the dependent variable would be how high each ball bounced when u tested it. I hope that helps!! =)
The Scientific Method 1) Observe- use the five senses 2) Hypothesis- a proposed explanation for observation; an educated guess 3)Experiment- a procedure used to test a hypothesis -find the independent variable(variable that changes during experiment) -Find the dependent variable(variable that changes in response to the idependent variable) 4) data- write down everything you observe about the experiment. 5) Conclusion!!!!
The independent variable, or manipulating variable always affect the outcome of a dependent, or responsive, variable. For example, i have a fire going, and i want to put it out. I could use a range of materials. The range of materials is the independent variable, while the fire going out or not is the dependent variable. This shows a cause and effect.