How to spot defects

Two checking / routinized tips for the basic tester:
  • Not doing something – it should 
  • Doing something – it shouldn’t

Two  testing / bespoke tips, for the advanced tester:

  • Doing something – it should
  • Not doing something – it shouldn’t be doing

See also What if – and Does it Matter Testing AND Checking 

3 types of bugs by Andy Glover @cartioontester
3 types of bugs by Andy Glover @cartoontester
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4 thoughts on “How to spot defects

    • Similar to item three, where a hunch tells you that something is odd. Now Odd Can either be something that is there, and something that isn’t.

      The waching machine is a visible oddity, but where is the table?

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