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testing performed by users and clients
subject			fact

testing performed by users and clients	is a subtopic of 10.9 - Strategies for Testing Large Systems
	is a kind of testing
	should occur when the developers believe that the software has reached a sufficient level of quality (e.g. it is approaching the quality targets)
testing	can find defects whose consequences are obvious but which are buried in complex code, and thus will be hard to detect when inspecting
	involves thinking of what could go wrong without actually studying the software
	is complementary to inspecting
	requires attention to detail
process	see also process^2

Kinds of testing performed by users and clients :

• acceptance testing (5 facts) - Testing performed by customers, on their own initiative, to decide whether software is sufficiently acceptable to pay for
• alpha testing (4 facts) - Testing performed by the user or client, under the supervision of the software development team
• beta testing (4 facts) - Testing performed by the user or client in a normal work environment