In Cognitive Behavior Therapy, there a strong focus on measuring the level of depression of the person who's coming to the sessions. Cognitive Therapist now tried different approaches of treating depression and believe in making decisions based on what interventions succeed in reducing the scores of someones level of depression.

A Freudian would tell you, that he doesn't really care about the score but that he cares that the person just feels better and succeeds in dealing with his childhood traumas.

The gist of the research though, is that while historically Freudian therapists have taken this approach, more recently many Freudian therapists have actually started performing the same sort of research on the effects of their therapy that Cognitive Behavioral Therapists have, and received essentially the same results. It's not that there isn't evidence to support Cognitive Behavioral Therapy working, but rather, more recent evidence seems to suggest that when they do gather the relevant data, other forms of therapy appear to work equally well. So it appears that the things about Cognitive Behavioral Therapy that actually work are not things that are specific to Cognitive Behavioral Therapy, but rather, are general qualities of therapy provided by a trained practitioner.