Patients' expectations have long been considered a contributory factor to successful psychotherapy. Expectations come in different guises, with outcome expectations centered on prognostic beliefs about the consequences of engaging in treatment. In this article, we define outcome expectations and present assessment methods and clinical examples of outcome expectations. Our research review includes a comprehensive meta-analysis (N =8,016 patients across 46 independent samples) of the association between pretherapy or early-therapy outcome expectations and posttreatment outcomes. The overall weighted effect size was d=.24, p<.001, indicating a small but significant positive effect of outcome expectations on adaptive treatment outcomes. We also provide a narrative review of mediators of the expectation-outcome link and patient factors that relate to their outcome expectations. Finally, we discuss limitations of the research base and offer therapeutic practices based on our findings.

Objective Symptoms of bipolar disorder are increasingly recognized among children and adolescents, but little is known about the course of bipolar disorder among adults who experience childhood onset of symptoms. Methods We examined prospective outcomes during up to two years of naturalistic treatment among 3,658 adult bipolar I and II outpatients participating in a multicenter clinical effectiveness study, the Systematic Treatment Enhancement Program for Bipolar Disorder (STEP-BD). Age at illness onset was identified retrospectively by clinician assessment at study entry. Results Compared to patients with onset of mood symptoms after age 18 years (n = 1,187), those with onset before age 13 years (n = 1,068) experienced earlier recurrence of mood episodes after initial remission, fewer days of euthymia, and greater impairment in functioning and quality of life over the two-year follow-up. Outcomes for those with onset between age 13 and 18 years (n = 1,403) were generally intermediate between these two groups. Conclusion Consistent with previous reports in smaller cohorts, adults with retrospectively obtained early-onset bipolar disorder appear to be at greater risk for recurrence, chronicity of mood symptoms, and functional impairment during prospective observation.

Introduction-Bipolar Disorder is characterized by recurrent episodes of depression and/or mania along with interepisodic mood symptoms that interfere with psychosocial functioning. Despite periods of symptomatic recovery, individuals with bipolar disorder often continue to experience impairments in psychosocial functioning, particularly occupational functioning. Two determinants of psychosocial functioning of euthymic (neither fully depressed nor manic) individuals with bipolar disorder are residual depressive symptoms and cognitive impairment (i.e. difficulties with executive functioning, attention and memory).

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Patients' expectations about the efficacy and nature of psychotherapy have long been considered important common treatment factors, and the empirical literature has largely supported this perspective. In this practice-oriented review, we examine the research on the association between patients' psychotherapy expectations and both adaptive treatment processes and outcomes. We also examine the research on specific psychotherapist interventions and patient and psychotherapist characteristics that influence the development of positive expectations for psychotherapy and psychotherapeutic change. The primary function of this review is to derive applied clinical strategies from the extant empirical literature in order to help clinicians in their attempts to address and influence their patients' psychotherapy-related expectations. Although the literature is not yet conclusive in supporting such strategies, we place the results in theoretical, clinical, and empirical contexts to suggest the most likely best practices at this time, and to stimulate further research on the expectation construct.