A few examples would help—the academic papers I see often call out this problem, and suggest possible Zs themselves. Generally, X and Y are more easily or precisely measured than the likely Zs, so make for better publications.
I definitely see the problem in popular articles and policy justification.
A few examples would help—the academic papers I see often call out this problem, and suggest possible Zs themselves. Generally, X and Y are more easily or precisely measured than the likely Zs, so make for better publications.
I definitely see the problem in popular articles and policy justification.
I’ve added 2 examples.