The present conditions of classroom instruction to numbers of children still too large to be adequately handled, makes it nearly inevitable that the problem of educafor teachers of backward children should become largely a question of measuring abilities, testing attainments and organising children into more homogeneous grades; and within those grades, diagnosing and treating by individual meth...

For more than a decade William H. Sewell and his associates have based their stratification research on a multivariate social psychological model of achievement. The model--first developed and estimated in the Wisconsin Longitudinal Study--posits that the influence of socioeconomic origins on educational, occupational, and economic attainment is largely mediated by academic performance, social ...

Policies governing divorce and parenting, such as child support orders and enforcement, child custody regulations, and marital dissolution requirements, can have a large impact on the welfare of parents and children. Recent research has produced evidence on the responses of divorce rates to unilateral divorce laws and child support enforcement. In this paper the authors argue that in order to a...

PURPOSE The authors evaluated the installation and use of sound-field systems to investigate the impact of these systems on teaching and learning in elementary school classrooms. Methods The evaluation included acoustic surveys of classrooms, questionnaire surveys of students and teachers, and experimental testing of students with and without the use of sound-field systems. In this article, th...

In this paper, a chemical experimental instrument was designed with sing-chip computer. By using instrument, the teachers instructed students to deeply and comprehensively explore ionization of electrolytes through processing analysis data, which allow latter profoundly understand factors influencing electrolytes, variations during process, concept ionization. Besides, based on evaluation stude...

Longitudinal data suggest heterogeneity in the long-term course of schizophrenia. It is unclear how older adults with schizophrenia perceive changes in their experience of schizophrenia over the lifespan. We interviewed 32 adults aged 50 years and older diagnosed with schizophrenia (mean duration 35 years) about their perceived changes in the symptoms of schizophrenia and functioning over the l...