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The article does not say that. It says that every person was sent two packages.

• jonsen 10y ago
  One shoe in each.
  • rtkwe 10y ago
    Do they actually say that anywhere? It's a pretty logical way of doing it but it's still an assumption about a pretty important facet of the experiment.
• joshheyse 10y ago
  They are shoes. It's pretty easy to assume how they split a pair into to equally weight & size packages for the test.
  • gregshap 10y ago
    Sure you could assume that, they didn't say so though. As an experimental design that would be pretty good, but as a product experience I would not be very happy to unbox one shoe, then wait days for the other one to arrive or find out it was lost in the mail.