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Alliance across group treatment for veterans with posttraumatic stress disorder: The role of interpersonal trauma and treatment type.

Research paper by Johanna J Thompson-Hollands, Scott D SD Litwack, Karen A KA Ryabchenko, Barbara L BL Niles, J Gayle JG Beck, William W Unger, Denise M DM Sloan

Indexed on: 15 May '18Published on: 15 May '18Published in: Group dynamics : theory, research, and practice : the official journal of Division 49, Group Psychology and Group Psychotherapy of the American Psychological Association



Abstract

Examine initial levels and pattern of change of alliance in group treatment for posttraumatic stress disorder (PTSD) for veterans. One hundred and seventy-eight male veterans with PTSD were recruited for this study. Participants were randomly assigned to either group cognitive behavioral therapy (GCBT) or to group present-centered therapy (GPCT). Alliance with fellow group members was assessed every other session throughout the group (total of seven assessments). Hierarchical linear modeling was used to determine whether treatment condition or index trauma type (interpersonal or non-interpersonal) impacted initial levels of alliance or change in alliance over time. Alliance increased significantly throughout treatment in both conditions. The presence of an interpersonal index event, compared to a non-interpersonal index event, did not significantly impact either initial levels of alliance or change in alliance over time. Participants in the GCBT condition experienced significantly greater growth in alliance over time compared to those in the GPCT condition ( > .05), but did not have significantly different initial alliance ratings. The components and focus of the GCBT treatment may have facilitated more rapid bonding among members. Interpersonal traumatic experience did not negatively impact group alliance.