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Testability, a property applying to an empiricalhypothesis, involves two components: (1) the logical property that is variously described as contingency, defeasibility, or falsifiability, which means that counterexamples to the hypothesis are logically possible, and (2) the practical feasibility of observing a reproducible series of such counterexamples if they do exist. In short, a hypothesis is testable if there is some real hope of deciding whether it is true or false of real experience. Upon this property of its constituent hypotheses rests the ability to decide whether a theory can be confirmed or falsified by the data of actual experience.It means it can be tested, but it also can be proven wrong later. A central concept in science and the scientific method is that all evidence must be empirical, or empirically based, that is, dependent on evidence or consequences that are observable by the senses. ... Look up Hypothesis in Wiktionary, the free dictionary. ... In philosophy and logic, contingency is the status of facts that are not logically necessary. ... Falsifiability (or refutability or testability) is the logical possibility that an assertion can be shown false by an observation or a physical experiment. ... In logic, and especially in its applications to mathematics and philosophy, a counterexample is an exception to a proposed general rule, i. ... Wikipedia does not have an article with this exact name. ... This article is in need of attention from an expert on the subject. ... The word theory has a number of distinct meanings in different fields of knowledge, depending on their methodologies and the context of discussion. ...
Testability is a non-functional requirement important to the testing team members and the users who are involved in user acceptance testing.
Testability can be addressed at this phase by using specific queries (for certain applications), generation of stubs and drivers for integration testing, and using test harnesses for specific modules or components.
Testability is perceived to be expensive because the cost of adding testability in the different phases is very easy to identify, but the losses incurred due to its absence are not very easy to determine.
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