Diners ordered more when served by heavyweight staff. Specifically, they were four times as likely to order desserts http://eab.sagepub.com/content/early/2015/10/29/0013916515621108.abstract?papetoc …
@NeuroRoeland You might want to look into the full text: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2701457 …
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@DegenRolf I overlooked, it's added as random factor. Thanks...Thanks. Twitter will use this to make your timeline better. UndoUndo
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