Is it a joke?
There are 3 day Cognitive Therapy Introduction Courses. Example [www.skillsdevelopment.co.uk
]CBT: Introductory Course (3 days) - Certificate Course.
According to the Mindfulness based cognitive therapy UK web site (http://mbct.co.uk/the-mbct-programme/), this therapy can be learned in 16 hours.
]In MBCT programmes, participants meet together as a class (with a mindfulness teacher) two hours a week for eight weeks, plus one all day session between weeks 5 and 7.