It is already known that psychotherapy can last one single session of therapy.
After all, also the term single session therapy had already been used. In 1981, Simon
Budman, one of the best-known scholar of brief therapies, published Forms of Brief Therapy, which included a chapter named Focused single session therapy: Initial development and evaluation written by Bernard Bloom.
In the literature research studies on therapies of a single session were also present.
What was missing was a study specifically aimed at exploring the efficacy of SST Michael Hoyt, Robert Rosenbaum e Moshe Talmon decided, therefore, to conduct the first research study on SST, from which a series of interesting results emerged.
