Chaos in the home is a key environment in cognitive and behavioural development. However, we show that children's experience of home chaos is partly genetically mediated. We assessed children's perceptions of household chaos at ages 9 and 12 in 2337 pairs of twins. Using child-specific reports allowed us to use structural equation modelling to…

An emphasis on testing and external evaluation is likely to have a debilitating effect on both student motivation and the probability of continued interest; it should be substituted by capitilizing on pupils' natural physical and mental activity. (MB)

A thorough evaluation of the health education component of a school's curriculum involves surveying the knowledge levels, attitudes, and expectations of the students, the educators and administrators, and the parents. (MB)

Five aspects of the psychological assessment of children are considered. First, the hypotheses of assessment are examined, with attention to the role of the scientist-clinician, the nature and the social and personal determinants of development, and the ego as the object assessment. Second, methods of data collection are surveyed, including…

Despite persistent media headlines about extreme cases of child abuse and neglect, the public remains largely uninformed about the developmental status of children affected by this tragic problem. The research brief draws on available data and recent research to summarize what is known about these outcomes in several critical areasphysical and…

Parents of 31 developmentally delayed children (ages 1-27 months) received training to assess their children's developmental status. No initial differences existed between parent and professional scores in the motor, social, or language domains. Differences in the self-help domain disappeared after 4 months and in the cognitive domain after 12…

This study identified behaviors of sibling pairs interacting on a cognitive task and related these behaviors to sibling structure variables (age and sex of each sibling and age spacing between them) and to measure of cognitive abilities of the younger sibling. Subjects were 160 sibling pairs randomly selected from appropriate subpopulations of…