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Main article: Therapist characteristics

Therapist personality has been studied as a variable effecting treatment outcomes over and above the clinical effects of the mode of therapy used.

White Betz A B ScaleEdit

Geller and Berzins (1976) studied 95 prominent US psychologists using the 19 item version of the scale. Studies have shown that clinicians who are high scorers on the White Betz A B Scale were more successful with schizophrenic patients, while low scoring therapists were more successful with neurotics.Cite error: Closing </ref> missing for <ref> tag.