Em. Anderson et Mj. Lambert, SHORT-TERM DYNAMICALLY ORIENTED PSYCHOTHERAPY - A REVIEW AND METAANALYSIS, Clinical psychology review, 15(6), 1995, pp. 503-514
Twenty-six studies of the effectiveness of short-term dynamic therapy
(STDT) were subjected to two meta-analyses. Effect sizes (ES) obtained
by each method were similar STDT attained average ESs of .71 and .34,
relative to waitlist and minimal treatment groups, respectively. When
studies using psychosomatic patients were excluded, STDT achieved an
ES of .85, relative to waitlist groups. We found no evidence that STDT
is superior err inferior to other forms of psychotherapy at posttreat
ment, although it evidenced a slight superiority at long-term follow-u
p assessment. There was, in addition, evidence that studies employing
manuals or therapists trained in STDT produced larger ESs than those t
hat did not.