A hypothesis or model is called falsifiable if it is possible to conceive of an experimental observation that disproves the idea in question. ... A good scientific hypothesis is the opposite of this. If there is no experimental test to disprove the hypothesis, then it lies outside the realm of science.

Is a hypothesis that is non falsifiable true?

Non-falsifiable hypotheses: Hypotheses that are inherently impossible to falsify, either because of technical limitations or because of subjectivity. E.g. “Chocolate is always better than vanilla.” [subjective].

What is falsifiability in hypothesis testing?

Falsifiability is the capacity for some proposition, statement, theory or hypothesis to be proven wrong. That capacity is an essential component of the scientific method and hypothesis testing. ... The requirement of falsifiability means that conclusions cannot be drawn from simple observation of a particular phenomenon.