I don’t think you are arguing in a circle. B is caused by current and previous As. Obviously we’re not going to see a correlation unless we control for the previous state of A. Properly controlled the relationship between the two variables will be one-to-one, won’t it?
I don’t think you are arguing in a circle. B is caused by current and previous As. Obviously we’re not going to see a correlation unless we control for the previous state of A. Properly controlled the relationship between the two variables will be one-to-one, won’t it?