Falsifiability Flashcards
What is the definition of falsifiability?
A theory cannot be considered scientific unless it is possible for it to be proven/tested untrue (false).
Karl Popper stated that…
it is not possible to ‘prove a theory to be true’ and that it is only possible to disprove it.
What is the example that Popper gave?
That no matter how many instances of white swans we observe, this does not justify the conclusion that all swans are white.
What is a null hypothesis?
This is a negative version of the original hypothesis. If there is no evidence in favour of the null hypothesis then we can accept the original hypothesis with reasonable certainty.
What is a pseudoscience?
A science/theory which cannot be falsified.