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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: J Consult Clin Psychol. 2019 Jun 20;87(8):734–744. doi: 10.1037/ccp0000418

Table 7.

Total Effect and Between-Therapist and Within-Therapist Effects of Alliance Predicting Therapy Participation During 24 Months

A. Total Effect
Total IRT Sessions Total IRT Sessions
(with covariates)
Predictor Variable Est. SE t p ES Est. SE t p
VTAS Total Score .713 .323 2.21 .029 .17 .118 .289 .41 .684
B. Between-Therapist and Within-Therapist Effects
Total IRT Sessions Total IRT Sessions
(with covariates)
Predictor Variable Est. SE t p Est. SE t p
VTAS - Between-Therapist Effect 1.44 .813 1.77 .080 .123 .706 .17 .862
VTAS - Within-Therapist Effect .574 .351 1.64 .104 .117 .312 .37 .709

Note. Est. = Estimate; SE = Standard Error; ES = Effect Size; VTAS = Vanderbilt Therapeutic Alliance Scale; IRT = Individual Resiliency Training. There was no missing data for this outcome, thus the entire alliance sample was included (n=144). Four covariates (months in study at VTAS assessment, permanent change in therapist [0=did not change, 1=changed], number of supported employment/education sessions, number of family psychoeducation sessions) were included in the indicated models. Between-therapist effect = average therapist VTAS scores; Within-therapist effect = client VTAS score - his/her therapist’s average VTAS score. (See data analytic plan for aims 2a and 2b for detailed description of analyses). Unstandardized estimates in the table can be interpreted as “a one-unit change in X was associated with Z (estimate value) units change in Y”.