Eric Ries and Steve Blank have correctly argued that you should have an articulated test for progressing with a certain business model, e.g.

FORBES: Should Your Startup Persevere, Pivot, or Shut down?

Since the launch of the test phase in February, the robot has learned to correctly identify half of the construction debris it is fed.

FORBES: ZenRobotics Develops a Garbage Sorting Robot

At least there's no danger of that happening this time - this tournament has been scheduled correctly, it is a curtain raiser to the Test matches and the team that comes out on top will carry valuable momentum with them into the winter's main event.

BBC: Jonathan Agnew column

The blind test at the Edinburgh Science Festival saw 578 members of the public correctly identify the "cheap" or "expensive" wines only 50% of the time.

BBC: Cheap wine 'good as pricier bottles' - blind taste test

If the crew had correctly interpreted the results of the so-called "negative test" it conducted, the blowout may have been averted, the report said.

WSJ: Final Oil-Spill Report Chastises BP, Others

Shahid Afridi, leading Pakistan in a Test side after four years in which he has not donned the white clothing at all for his country, correctly elected to bowl first, and set attacking fields for much of the day.

BBC: Australia pegged back by Pakistan in Lord's Test