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When approaching an experiment, first read the problem question thoroughly and consider the experimental setup. Sketch out your test groups, ensuring to account for the constants that remain the same across each group. After identifying these constants, pinpoint the one variable that differs between the groups; this is your independent variable. Finally, determine the data you will collect during the experiment, which will represent your dependent variable. This systematic approach will help clarify your experimental design.
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STRATEGY FOR IDENTIFYING VARIBALES. • Read the problem question carefully, and think about the experiment. 2. Sketch out your test groups. • List the constants, or what’s the same for each test group. • Once you’ve identified the constants, find the one thing that’s different about each group. That’s the independent variable. • Figure out what data you’ll collect. That’s the dependent variable.