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Without a complete published description of interventions, clinicians and patients cannot reliably implement interventions that are shown to be useful, and other researchers cannot replicate or build on research findings...

How should we understand why firms exist? A prevailing view has been that they serve to keep in check the transaction costs arising from the self-interested motivations of individuals. We develop in this article the argu...

CONTEXT: Little is known about lifetime prevalence or age of onset of DSM-IV disorders. OBJECTIVE: To estimate lifetime prevalence and age-of-onset distributions of DSM-IV disorders in the recently completed National Com...

BACKGROUND: Little is known about the general population prevalence or severity of DSM-IV mental disorders. OBJECTIVE: To estimate 12-month prevalence, severity, and comorbidity of DSM-IV anxiety, mood, impulse control, ...

Reproducibility is a defining feature of science, but the extent to which it characterizes current research is unknown. We conducted replications of 100 experimental and correlational studies published in three psycholog...

This article discusses the research strategy of theory building from cases, particularly multiple cases. Such a strategy involves using one or more cases to create theoretical constructs, propositions, and/or midrange th...

Abstract Mixture modeling is a widely applied data analysis technique used to identify unobserved heterogeneity in a population. Despite mixture models' usefulness in practice, one unresolved issue in the application of ...

There is increasing evidence that genome-wide association (GWA) studies represent a powerful approach to the identification of genes involved in common human diseases. We describe a joint GWA study (using the Affymetrix ...

Materias / palabras clave: psychology, psychological science, research methods, replication, metascience, registered replication report; Philosophy. Psychology. Religion: Psychology