It has been suggested that Freud's theory lacks falsifiability because it predicts results that are contradictory or mutually exclusive. The lack of falsifiability means that the theory cannot be disproved.
<h3 /><h3>What is falsifiability?</h3>
It corresponds to a scientific principle that was proposed by Karl Popper in 1930, which states that a theory can only be scientific if such hypotheses can be demonstrated to be false, that is, falsifiability helps to solve the problem of induction.
According to Popper, the problem of induction helps in the possibility that science has to be tested through its ideas being falsified and not induced, as suggested by Freud's theories, by predicting contradictory results.
Therefore, Freud's psychological theories require falsifiability because they cannot be refuted, since they present the problem of induction.
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