A03 — lack of scientific rigour. For example, the superego/an individual’s internalised sense of right and wrong is embedded within the unconscious tripartite personality, meaning that such a conceptcannot be empirically and objectively measured. Therefore, sincethe superego is a concept which cannot be proven wrong, thissuggests that, according to Popper’s criterion of falsification, that it is unfalsifiable and therefore pseudoscientific. This does little to increase the scientific credibility of psychology.