Look at this graph. As iPhone sales increase from toso did the number of deaths caused by people falling down the stairs. They even increased at the same rate. For this and other hilarious graphs of silly correlations see tylervigen. How obviously ridiculous this is. The source page has been deleted, but an archived copy is shopping amazon already accessible. Own work, created in Adobe Illustrator.
Licensed under Public Domain via Commons. So how do we figure salr out? In science, a lot of this is determined experimentally and statistically. In statistics of which I do not claim to be an expert, but iphone sale cause death the links go here for more detailsthe strength iphone sale cause death the relationship can be calculated and the stronger the more likely that one causes the other.
Without experimental or repeatable experimental results, the relationship is less likely to be causal. Another interesting measurement is to look at the time frame — if the action takes place months, days, or years apart from the effect, you have to consider whether this would make sense or not.
In the case of smoking and lung cancer, the separation of the two events by years makes sense, but in other cases it may not. Which also brings up the point of looking at the relationship and thinking about whether or not it makes sense or if a mechanism can be found for the cause and effect relationship.
For example, we know that smoking causes DNA mutations and inflammation shopping amazon already is one of the mechanisms that leads to lung cancer. Overall, it does come down to the data and some common sense. To better understand more info differences between correlation and causation and the math that can show which you are looking at, check out the Acuse Academy course.
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