Industry trials can be well conducted, but there are many situations where a lack of independence has had an influenceonthe way thestudy was designed and the results that are released.
The European mission will instead studytheinfluence of dark energy by looking for subtle distortions in the way galaxies appear as they line up onthe sky, and by measuring the patterns in the three dimensional distribution of galaxies through time.
People, I believe, are far more complex than the "facts" which a study that is already slanted to a specific position ("the influence of working women onthe divorce rate" for example) will provide.
Thestudy found that so-called "sociometric" leaders like Physician 184 had more of an influenceon word-of-mouth buzz than the self-reported opinion leaders, perhaps because the latter group tend to be less involved with their peers.