OBJECTIVE Dual-energy X-ray absorptiometry (DXA) is often cited as a criterion method for body composition measurements. We have previously shown that a new DXA software version (Hologic Discovery V12.1) will affect whole-body bone mineral results for subjects weighing <40 kg. We wished to reanalyze pediatric whole-body scans in order to assess the impact of the new software on pediatric soft-t...

There has always been a claim that: ”boys are good at counting, and girls are good at reading”. Analysis of the data on the gender differences in mathematics achievement up to the present indicates that females are not consistently under-performing relative to males. Guiso, Monte, Sapienza and Singales (2008) analyzed data for 40 different countries and showed that culture explains most of the ...

EDRS Price VF-S025 NC-SO.40 Descriptors-BEHAVIOR PATTERNS, *INFANCY, INFANTS; MOTHERS, OBSERVATION, OVERT RESPONSE, *PARENT INFLUENCE, *SEX DIFFERENCES, *SPONTANEOUS BEHAVIOR, TOYS The purpose of this study was to determine if sex differences were observable in I-year-olds in response to their mother and in choice and style of play with toys. Thirty-two boys and thirty-two girls were put in sep...

There has been intensified interest in the neuropeptides oxytocin (OT) and arginine vasopressin (AVP) in autism spectrum disorders (ASD) given their role in affiliative and social behavior in animals, positive results of treatment studies using OT, and findings that genetic polymorphisms in the AVP-OT pathway are present in individuals with ASD. Nearly all such studies in humans have focused on...

OBJECTIVE To explore the relationship between self-reported weight and height to actual weight and height in a cross-sectional representative sample of school students in Jeddah City, Kingdom of Saudi Arabia and its relation to selected socio-economic and socio-demographic factors. Also to evaluate the validity of self-reported weight and height measurements. METHODS Data was collected from a...

AIM The present study investigates the evolution of illicit drug use among Romanian university students from 1999 to 2011. METHODS The study was performed in Cluj-Napoca, Romania, in three phases: in 1999 (T1), in 2003 (T2) and in 2011 (T3). The study was carried out by means of anonymous questionnaires among university students aged 19-24. RESULTS The results show that among girls the life...

This study examined the contribution of genetic and environmental influences on the stability of withdrawn behaviour in childhood using a longitudinal multiple rater twin design. Maternal and paternal ratings on the withdrawn subscale of the Child Behavior Checklist were obtained from 4889 families when the twins were 3, 7, 0 and 2 years old. Withdrawn behaviour showed considerable stability...

The purpose of this study was to investigate whether an approach to developing word lists centred on etymological roots would improve the spelling performance of older primary school students. Participants were 46 students in the last year of primary school in south-east Queensland (31 girls and 15 boys) across three classes, with two classes being assigned to control conditions. Students were ...

BACKGROUND There is little information about height and weight status of Palestinian adolescents. The objective of this paper was to assess the prevalence of stunting, underweight, and overweight/obesity among Palestinian school adolescents (13-15 years) and associated sociodemographic factors in 2 major governorates in the West Bank. METHODS A Cross-sectional survey was conducted in 2005 com...