tredjevariabelproblemer
Tredjevariabelproblemer, often translated as the "third variable problem," is a concept in statistics and research methodology that arises when two variables appear to be related, but this relationship is actually caused by a third, unmeasured variable. This third variable influences both of the observed variables, creating a spurious correlation.
For example, imagine a study finds a correlation between ice cream sales and drowning incidents. It might
Identifying and accounting for third variables is crucial for establishing causality. When a correlation is observed