causation
the relationship where one thing makes another thing happen
the fact or relationship by which one event, action, or condition makes another event or result happen
the way something produces a result or condition
the act or process of bringing about a particular result, condition, or effect
the legal question of whether someone's action caused the harm in a way that makes them responsible
in law, the requirement that a person's act or omission be sufficiently connected to the harm or loss for legal responsibility to arise
- Base: causation
- Plural: causation, causations
break the chain of causation
1interrupt legal causal link
to stop an earlier action from being legally treated as the cause of what happened later
- The defense argued that the victim's own decision broke the chain of causation.
- An unforeseeable medical error may, in rare cases, break the chain of causation.
- The judge held that the storm did not break the chain of causation between the negligence and the damage.
- The new event broke the chain of causation.
- The court said the accident was still connected, so the chain was not broken.
but-for causation
1necessary-cause legal test
the legal test asking, “Would this harm have happened without that action?”
- The plaintiff established but-for causation by showing that the injury would not have occurred without the faulty repair.
- But-for causation can be difficult to prove when several factors contributed to the harm.
- The court applied the but-for causation test to the doctor's failure to diagnose the illness.
- But-for causation asks if the harm would have happened anyway.
- The lawyer used the but-for test.
chain of causation
1sequence of causal events
a series of events where one event causes the next
- Investigators traced the chain of causation from the software error to the system failure.
- The accident resulted from a long chain of causation involving poor maintenance and bad weather.
- The court considered whether the victim's later actions formed part of the same chain of causation.
- One mistake started a chain of causation.
- The report explains the chain of causation after the crash.
correlation does not imply causation
1warning not to confuse cause and link
Even if two things happen together or change together, this does not prove that one thing causes the other.
- The professor reminded the class that correlation does not imply causation when they tried to explain the results.
- Journalists should remember that correlation does not imply causation before claiming that one behavior causes another.
correlation does not imply causation
1association is not proof
just because two things happen together does not mean one caused the other
- Ice cream sales and sunburns both rise in summer, but correlation does not imply causation.
- The article was careful to note that correlation does not imply causation.
- Higher screen time was linked with poor sleep, but correlation does not imply causation.
- The two numbers rise together, but correlation does not imply causation.
- A link is not always a cause.
reverse causation
1effect causes supposed cause
when A seems to cause B, but B may actually cause A
- The study tried to rule out reverse causation by measuring exercise habits before illness developed.
- Low income may lead to poor health, but reverse causation is also possible if poor health reduces income.
- Researchers used long-term data to test for reverse causation.
- Reverse causation means the direction may be the opposite.
- The result may cause the problem, not the other way around.