The relationship between child behaviour problems at school entrance and teenage vocabulary acquisition: A comparison of two generations of British children born 30 years apart

Behaviour problems in early childhood have a lasting impact on cognitive development and education attainment in later adolescence and into adulthood. Here we address the relationship conduct and hyperactivity problems at school entrance, and vocabulary acquisition in adolescence. We compare performance in identical assessments across two generations of British children born 30 years apart in 1970 (n = 15,676) and 2000/2 (n = 16,628) and find that both conduct and hyperactivity problems have a negative association with later vocabulary in both generations. We take advantage of rich longitudinal birth cohort data and establish that these relationships hold once family socioeconomic status and a child’s personal characteristics and earlier vocabulary acquisition are taken into account. We also find that teenagers today achieved substantively lower scores in the vocabulary assessment compared to their counterparts born 30 years earlier, and that this holds across all categories within each of the family and individual characteristics considered in this article. As vocabulary and language skills are key prerequisites for wider learning, we discuss implications the findings have for education policies.     

Philosophy and Indigenous Cultural Transformation

The politics of difference emerges as the new desideratum for understanding the complex nature of oppression in education and the way in which multiple and contradictory subjectivities and identities are socially constructed at die intersections of race, gender, and class, among their configurations. (Peters, 1995, p. 55)     

The role of shoe design on the prediction of free torque at the shoe–surface interface using pressure insole technology

The goal of the current study was to expand on previous work to validate the use of pressure insole technology in conjunction with linear regression models to predict the free torque at the shoe–surface interface that is generated while wearing different athletic shoes. Three distinctly different shoe designs were utilised. The stiffness of each shoe was determined with a material’s testing machine. Six participants wore each shoe that was fitted with an insole pressure measurement device and performed rotation trials on an embedded force plate. A pressure sensor mask was constructed from those sensors having a high linear correlation with free torque values. Linear regression models were developed to predict free torques from these pressure sensor data. The models were able to accurately predict their own free torque well (RMS error 3.72 ± 0.74 Nm), but not that of the other shoes (RMS error 10.43 ± 3.79 Nm). Models performing self-prediction were also able to measure differences in shoe stiffness. The results of the current study showed the need for participant–shoe specific linear regression models to insure high prediction accuracy of free torques from pressure sensor data during isolated internal and external rotations of the body with respect to a planted foot.     

Thirst and sodium appetite

The survival of animals depends on the maintenance of a sufficient volume of extracellular fluid with an adequate sodium content. To meet this requirement the body has mechanisms that regulate both thirst and sodium appetite, and in these the octapeptide hormone angiotensin II may play an important role.     

School and the Limits of Philosophy

Abstract

Philosophy and schools, children and dynamite, elephants and postage stamps: each has a place, but not necessarily in any natural combination with the other. Whether schools and philosophy belong together depends largely on what we mean by both. To the extent that schools are instruments of government regulation and a mechanism for production of economic subjectivity, philosophy might be welcome as an ancillary technique for enhancing problem-solving skills or helping students to think more logically. If, on the other hand, teachers are concerned to promote education as the development of independent thought beyond the realm of instrumental utility, then philosophy is a vital, and potentially critical, engagement with power, with the way schools function, and more generally with society and its government. With reference to some recent policy moves in education, this article argues that the focus on the economic productivity of education is intensifying, and that as educational institutions become more heavily regulated and monitored, there is little provision for, or toleration of, any form of structural criticism, philosophical or otherwise. The conclusion is that philosophy may have an explicit place within the existing school programmes, but that any philosophy which provides a basis for fundamental change in our patterns and expectations of schooling is likely to be undermined. Commitment to critical philosophy becomes, then, a surreptitious activity on the part of individual teachers, operating outside the official curriculum and frustrated by increasing surveillance and demands for accountability.