22. An information processing apparatus comprising: at least one processor; and at least one memory, said processor and memory being operatively coupled to function as: a first obtainment unit configured to obtain a value indicating an inference accuracy or likelihood for an inference means based on diagnosis inferred by the inference means and a correct diagnosis; a second obtainment unit configured to obtain a value indicating a validity of the reason information for the diagnosis inferred by the inference means, based on the reason information for the diagnosis inferred by the inference means and correct reason information; and an evaluation unit configured to evaluate the inference means based on (1) the value indicating the inference accuracy or likelihood and (2) the value indicating the validity.
23. The medical diagnosis support apparatus according to claim 22 , wherein the evaluation unit evaluates the inference means by calculating an evaluation value based on (1) the value indicating the inference accuracy or likelihood and (2) the value indicating the validity.