>be a TA in Scientific Methods and Research
>undergrads repeat "correlation isn't causation" every lecture when prof asks them something
>they have a test where they have to demonstrate their understanding of experiment design
>they all confuse correlation and causation and can't explain why a paper that confuses the two is flawed
>when you ask them to explain how they understand the meaning of "correlation isn't causation" you get blank stares in return
Why does this happen repeatedly? Is this such a difficult concept? Why do people repeat this if they don't understand what does it mean?
>undergrads repeat "correlation isn't causation" every lecture when prof asks them something
>they have a test where they have to demonstrate their understanding of experiment design
>they all confuse correlation and causation and can't explain why a paper that confuses the two is flawed
>when you ask them to explain how they understand the meaning of "correlation isn't causation" you get blank stares in return
Why does this happen repeatedly? Is this such a difficult concept? Why do people repeat this if they don't understand what does it mean?