Don't know the answer to your question but I follow @ent3c and his Gloomy Prospect blog for a skeptical view on these matters and you may find ideas there.
Antonio, try this. Great but disturbingly negative review.https://academic.oup.com/ije/article/40/3/537/747708 …
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Yep that's a good paper. If you are interested in my perspective I would start with this, http://goo.gl/0pN74 , which George calls "entertaining." Only if you have broad preferences in entertainment.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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