Three instruments assessing abilities related to legal standards for competence to consent
to treatment were administered to 6 groups: patients recently hospitalized for schizophrenia …

This article reports the development and psychometric properties of three standardized and
objectively scored measures, the MacArthur Treatment Competence Research Instruments …

This is the first of three papers reporting the results of the MacArthur Treatment Competence
Study, a project designed to develop reliable and valid information with which to address …

Objective: This study investigated the proportion of psychiatric and medical patients who are
impaired in their decision-making abilities in relation to each of several major legal …

The authors describe the various tests of competency to consent to treatment used today,
which include the following: 1) evidencing a choice, 2)" reasonable" outcome of choice, 3) …

A patient's decision must be informed and free, and he/she must be competent either to
consent to or refuse treatment. Rather than selecting a single standard of competency, a …

The right of patients to accept or refuse recommended treatment requires careful
reassessment when their decision-making capacities are called into question. Patients must …

The perormance of two groups of hospitalized mentally ill patients (schizophrenia and major
depression) and two groups of non-mentally-ill patients (patients hospitalized for ischemic …

A recently enacted regulation in California requires that voluntary mental patients give
signed informed consent for treatment with antipsychotic drugs. To evaluate the law's effects …

One of the most challenging tasks facing clinicians today is the assessment of patients'
capacities to consent to treatment. The protection of a patient's right to decide, as well as the …