HIGHLIGHTS
- who: Mendelian randomization and collaborators from the (UNIVERSITY) have published the paper: Journal of Causal Inference, in the Journal: (JOURNAL)
- what: The authors investigate whether these additional assumptions are necessary to predict the direction of the effect based on the direction of association between the instrumental variable and the outcome or equivalently based on the standard (Wald) instrumental variable estimate. The authors demonstrate by counterexample that if these additional assumptions (such as monotonicity of the instrument-exposure association) are not satisfied then the instrumental variable-outcome association can be in the opposite direction to the . . .
If you want to have access to all the content you need to log in!
Thanks :)
If you don't have an account, you can create one here.