This article presents an integrated conception ol the self based on cogniti
ve and interpersonal theories. implications for clinical practice are outli
ned, which include understanding the therapeutic relationship as a laborato
ry and change as involving self-expansion. Implications for clinical resear
ch are also presented and exemplified by two strategies, which are demonstr
ated in a single case study of a patient who successfully underwent a brief
-term treatment. The first involves the use of Interpersonal Scenarios, whi
ch are structured idiographic vignettes scaled on several parameters, to me
asure change between psychotherapy sessions. The second involves the use of
the Structural Analysis of Social Behavior, a measure of interpersonal pro
cess, and the Experiencing Scale, a measure of emotional involvement. to me
asure change within a session. (C) 2001 John Wiley & Sons, Inc.