The term 'Cognitive Therapy' used to be a generic term, which included such methods as Rational Emotive Behaviour Therapy (REBT) and Glasser's Reality Therapy. Since Aaron Beck named his method developed in the 1960's 'Cognitive Therapy' (CT), the term has fallen into disuse as a generic one, and now generally refers only to Beck's method.

'Cognitive Behavior Therapy' is now the more commonly-used generic term under which heading comes REBT, CT, Dialectical Behaviour Therapy, Schema Therapy, etc. So 'CBT' refers to the category. 'CT' is one type of CBT, along with REBT, DBT etc.

Hope this clarifies the picture.

Regards,

Wayne Froggatt
New Zealand Centre for Cognitive Behaviour Therapy