Yes, maybe I exaggerated saying “almost always” or at least I have been too vague. If you haven’t any idea of specific interventions to evaluate, then a good way to go is to do superficial high level analyses first and then proceed with lower level ones. Sometimes the contrary could happen though, when a particular promising intervention is found without first investigating its cause area.
Yes, maybe I exaggerated saying “almost always” or at least I have been too vague. If you haven’t any idea of specific interventions to evaluate, then a good way to go is to do superficial high level analyses first and then proceed with lower level ones. Sometimes the contrary could happen though, when a particular promising intervention is found without first investigating its cause area.