This study used a theoretically-derived set of items of the Achenbach System of Empirically Based Assessment to develop the Achenbach Self-Control Scale (ASCS) for 7-16 year olds. Using a large dataset of over 20,000 children, who are enrolled in the Netherlands Twin Register, we demonstrated the psychometric properties of the ASCS for parent-, self- and teacher-report by examining internal and...

OBJECTIVE This study sought to determine the psychometric properties for the Loewenstein Occupational Therapy Cognitive Assessment-Second Edition (LOTCA-II) in a population of persons with schizophrenia. METHOD Sixty-four participants with schizophrenia were administered the LOTCA-II at baseline, and 43 of these were randomly selected to undertake four more standardized measures of cognitive ...

Schizophrenia is defined by operative diagnostic criteria in DSM-IV with some typical symptoms as hallucinations and duration of the disease. Huber focused on the subjective experience of patients and coined the term "basic symptoms" and created BSABS. Our study investigated the reliability and the diagnostic validity of the 5 clusters of BSABS for DSM-IV-based diagnosis of schizophrenia with a...

Objective: the aim was to study psychometric properties of the Perceived Global Distress Scale (PGD) for people with severe mental illness, mainly with schizophrenia disorders. Methods: PGD is a Visual Analogue Scale included in “The Quality Star”, a minimal platform for clinical follow-up and efficiency documentation of mental health services in eight dimensions used in Sweden. Naturalistic da...

The Diagnostic and Statistical Manual of Mental Disorders (DSM) has provided diagnostic reliability across observers while neglecting biological validity. The current theme issue explores the boundaries between schizophrenia and bipolar disorder, using neuro-cognition, systems neuroscience, and genetics as points of departure to begin consideration of a biologically based reclassification of th...

CONTEXT There is a critical need for practical measures for screening and documenting decisional capacity in people participating in different types of clinical research. However, there are few reliable and validated brief tools that could be used routinely to evaluate individuals' capacity to consent to a research protocol. OBJECTIVE To describe the development, testing, and proposed use of ...

objective: the aim of the present study was to evaluate the psychometric properties and factor structure of the matson evaluation of social skills with youngsters-ii (messy-ii) in a community population in iran. methods: the iranian version of the messy-ii was administered by interviewing care staff of all children and adolescents (n=355) with administratively defined intellectual disabilities ...