Experimenting is to formally state spell out and control for as many variables as you can. Science. Because user makes sure to change nothing else during the experiment many issues with analyzing time based relations do no happen. Consequently linear regression, ttest, causal analysis and breakpoint detection work. Maybe some complications in establishing baseline. See [[T-test]]. If lots of people did this at the same time you would have a crossover study<ref>https://www.cancer.gov/publications/dictionaries/cancer-terms/def/crossover-study</ref>. | Experimenting is to formally state spell out and control for as many variables as you can. Science. Because user makes sure to change nothing else during the experiment many issues with analyzing time based relations do no happen. Consequently linear regression, ttest, causal analysis and breakpoint detection work. Maybe some complications in establishing baseline. See [[T-test]]. If lots of people did this at the same time you would have a crossover study<ref>https://www.cancer.gov/publications/dictionaries/cancer-terms/def/crossover-study</ref>. |