With three-quarters of the twentieth century behind us, throughout most of the world, sex, race, ethnicity, and/or income are s t i l l de facto i f not de jure bases of differential access to opportunities and resources. In the realm of education, sex i s characteristically the primary basis of the inequalities that exist in most countries. In the developing nations,educationaldeliverysystems ...

Recently, Marsh, Martin, and Jackson (2010) developed a short form of the Physical Self-Description Questionnaire (PSDQ-S). The objective of this study was to examine the construct validity and reliability of the PSDQ-S in a French adolescent sample. The sample used in this study included 587 adolescents (247 boys, 340 girls, Mage=14.62). Confirmatory factor analyses (CFA) provided support for ...

This is the first study to explore the relationship between Empathizing-Systemizing (E-S) theory that provides an account of sex differences in human cognition and dual process theories of cognition. 68 undergraduates undertook both performance and self-report assessments of Empathizing, intuition, Systemizing and deliberation. A fast (500ms) and slow (5000ms) version of the Reading the Mind in...

OBJECTIVE To investigate, in men presenting with recurrent pregnancy loss (RPL), the prevalence of sperm autosome and sex chromosome aneuploidy. DESIGN Retrospective study. SETTING Male infertility clinic. PATIENT(S) A total of 140 men with RPL provided semen samples, and five normozoospermic controls provided 140 semen samples for comparison. Recurrent pregnancy loss, documented in the f...

With little known regarding sex and limb heterogeneity, we investigated vascular reactivity and ischemic reperfusion (IR) in the upper and lower extremities of 15 healthy men (26 +/- 2 yr) and women (23 +/- 1 yr). Doppler ultrasound was used to evaluate IR and flow-mediated dilation (FMD) after suprasystolic cuff occlusion in both the arm [brachial artery (BA)] and the leg [popliteal artery (PA...

Children differ in how quickly they reach linguistic milestones. Boys typically produce their first multi-word sentences later than girls do. We ask here whether there are sex differences in children's gestures that precede, and presage, these sex differences in speech. To explore this question, we observed 22 girls and 18 boys every 4 months as they progressed from one-word speech to multi-wor...