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Download - The Safran Lab

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prescribed treatment. In this study, a greater frequency count—or the peak subscale of the<br />

specific treatment techniques—determines the specific treatment to which the therapist is<br />

considered adherent.<br />

Coders performed adherence checks on a total of 56 sessions (28 sessions in both<br />

treatment groups). Recall two sessions were selected across treatment to assess early<br />

(sessions 3-15) and late (sessions 16-30) therapist adherence on the Beth Israel<br />

Adherence Scale. <strong>The</strong>se scores were averaged across the early and late sessions, resulting<br />

in one adherence score per treatment subscale. <strong>The</strong> decision to average the two adherence<br />

scores was made after analysis of sessions indicated that there were no significant<br />

differences attributable to the sessions being rated.<br />

Outcome Measures<br />

Outcome was defined by two outcome measures: <strong>The</strong> Symptom Checklist-90-<br />

Revised, which assesses the severity of psychiatric symptoms, and the Inventory of<br />

Interpersonal Problems-64, which measures individuals' degree of interpersonal distress.<br />

Symptom Checklist-90-Revised (SCL-90-R; Derogatis, 1975a, 1975b). <strong>The</strong> SCL-<br />

90-R is a self-report, paper-and-pencil inventory designed to identify and measure overall<br />

psychiatric symptoms. It is comprised of 90 items presented in Likert-type format and<br />

designed to assess degree of severity. Adequate psychometric properties have been<br />

demonstrated (e.g., Derogatis, Rickels, & Rock, 1976).<br />

<strong>The</strong> SCL-90-Rhas 12 sub-scales: Somatization, Obsessive-Compulsive,<br />

Interpersonal Sensitivity, Depression, Anxiety, Hostility, Phobic Anxiety, Paranoid<br />

Ideation, Psychoticism, Positive Symptom Distress Index, Positive Symptom Total, and<br />

42

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