Marc J Diener

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OBJECTIVE The authors systematically examined the relationship between therapist facilitation of patient emotional experience/expression and outcome in psychodynamic psychotherapy. METHOD Computer and manual searches were conducted for relevant publications, and 10 independent samples of short-term dynamic psychotherapy were included in a meta-analysis.(More)
The aim of this study was to investigate the convergent validity of the Shedler-Westen Assessment Procedure Q-Sort Dysphoric Q-Factor with scales from the therapist, the patient, and independent observers. Therapists used the Shedler-Westen Assessment Procedure Q-Sort to describe their patients after the therapeutic assessment and the first two therapy(More)
This meta-analytic review of 11 studies examined the relationship between psychotherapy dropout and therapeutic alliance in adult individual psychotherapy. Results of the meta-analysis demonstrate a moderately strong relationship between psychotherapy dropout and therapeutic alliance (d = .55). Findings indicate that clients with weaker therapeutic alliance(More)
AIMS To assess associations between hypoglycaemia and risk of accidents resulting in hospital visits among people with type 2 diabetes receiving antidiabetes drugs without insulin. METHODS People with type 2 diabetes who were not treated with insulin were identified from a US-based employer claims database (1998-2010). Following initiation of an(More)
The aim of this research was to examine the extent to which the use of research-specific procedures in psychodynamic psychotherapy impacts upon treatment effectiveness and which variables moderate this potential relationship. Effects of audio/video recording of sessions, use of treatment manuals, and checks of treatment fidelity were examined. A(More)
Steady-state analysis is performed on the kinetic model for the switch complex of the flagellar motor of Halobacterium salinarum (Nutsch et al.). The existence and uniqueness of a positive steady-state of the system is established and it is demonstrated why the steady-state is centered around the competent phase, a state of the motor in which it is able to(More)
The present study examined the relationship between the Rorschach Ego Impairment Index (EII) and psychiatric severity. Search procedures yielded 13 independent samples (total N = 1402, average n = 108, standard deviation = 90) for inclusion in the meta-analysis. Inter-rater reliability analyses demonstrated that coding of effect sizes and moderator(More)
The present study examined the relationship between adult attachment style and therapeutic alliance in individual psychotherapy. Search procedures yielded 17 independent samples (total N = 886, average n = 52, standard deviation = 24) for inclusion in the meta-analysis. Results indicated that greater attachment security was associated with stronger(More)
The aim of this article is twofold: to offer an introduction to meta-analysis using correlation coefficients to facilitate greater understanding of meta-analytic findings and to guide those interested in conducting meta-analyses. The authors review calculations for a weighted average effect size, the statistical significance of this effect, a test of(More)
Substantial theoretical and empirical focus has been placed on detailing the processes that therapists use in psychotherapy. Relatively limited investigation, however, has been conducted into the utility of the various techniques and processes that supervisors use in facilitating the development of trainee competence to conduct psychotherapy. The present(More)