Validity of Autism Behavior Checklist (ABC): preliminary study.

Objective: To examine the concurrent and criterion validity of the Autism Behavior Checklist (ABC).

Methods: Three groups, comprising 38 mothers of children previously diagnosed with autism (DSM IV-TR, 2002), 43 mothers of children with language disorders other than autism, and 52 mothers of children who had no linguistic or behavioral complaints, were interviewed. In order to minimize the effect of maternal level of education, the questionnaire was completed by the researcher.

Living conditions and receptive vocabulary of children aged two to five years.

Objective: To assess the receptive vocabulary of children aged between two years and six months and five years and eleven months who were attending childcare centers and kindergarten schools.

Methods: An analytical cross-sectional study was carried out in the municipality of Embu, Southeastern Brazil. The Peabody Picture Vocabulary Test and analysis of factors associated with children's performance were applied.

[Family environment and child's cognitive development: an epidemiological approach].

Objective: To assess the association between quality of stimulation in the family environment and child's cognitive development considering the impact of mother's schooling on the quality of stimulation.

Methods: A cross-sectional study comprising 350 children aged 17-42 months was carried out in central and peripheral areas of Salvador, Northeastern Brazil, in 1999. A socio-economic questionnaire was used, along with the Home Observation for Measurement of the Environment Scale (HOME Inventory), and the Bayley Scale for Infant Development.

[Evaluation of practices and knowledge among primary health care professionals in relation to child development surveillance].

In the present study, the practices and knowledge of 40 physicians and 40 nurses from municipal health care units (UMS) and 40 physicians and 40 nurses from the Family Health Program (FHP) in Belém, Pará State, Brazil, all of whom working in primary health care, were evaluated in relation to child development surveillance. Measures of knowledge of child development showed an average of 63.7% correct answers for UMS physicians, 57.