In sexually dimorphic species, the sex of the offspring may induce different constraints for parents. At the same time, within pairs, males and females may have conflicting optimal reproductive strategies. As a result, they may adjust their level of parental investment differently according to the ...
Self-Image Profile in Children and Adolescents with Attention Deficit/ Hyperactivity Disorder and the Quality of Life in Their Parents We explored the impact of clinical response to treatment for Attention Deficit/Hyperactivity Disorder (ADHD) in children and adolescents on the subsequent ... V Gorm...
The sales of sex education books for children have been on the rise in China as parents are taking steps to help their kids understand their bodies and teach them to protect themselves, Chengdu-based Tianfu Zaobao reported on Nov 30. Unlike in the past, sex education books are now placed i...
The sales of sex education books for children have been on the rise in China as parents are taking steps to help their kids understand their bodies and teach them to protect themselves, Chengdu-based Tianfu Zaobao reported on Nov 30.Unlike in the past, sex education books are now placed in...
our children to grow up to have healthy intimate relationships. So as parents, one of the things that we do is we teach our children about sex. We have books to help us, we have sex ed at school for the basics. There's porn to fill in the gaps -- and it will fill in the ...
Sons, more than daughters, feared the negative reactions of parents, who generally reacted in the same manner--supportive or slightly negative. Relationships with parents since disclosure generally had not changed or had improved. Sex of parent mattered more than sex of child on most domains. ...
Parents' disappointment with a second child of the same sex as the first could have negative effects for parents and children. We use longitudinal data from the German Socio-Economic Panel and the British Household Panel Study to examine parental happiness by the children's sex and analyze ...
Sex differences in prey composition and foraging behavior of those rearing chicks at Teuri Island, Hokkaido, were examined by collecting food-loads from parents in 1992–1998 and by radio-tracking ten birds each in 1997 and 1998 when prey availability was different. Males fed more on benthic ...
Sexual differences in the foraging behaviour of parents have been observed in a number of sexually size-dimorphic birds, particularly seabirds, and the usu... S Lewis,S Benvenuti,Dall-Antonia, L.,... - 《Proceedings Biological Sciences》 被引量: 901发表: 2002年 The behaviour, population biolo...
Evidence is adduced for the hypothesis that mammalian (including human) sex ratios at birth are partially controlled by the hormone levels of both parents ... WH James - 《Journal of Theoretical Biology》 被引量: 1108发表: 1996年 Male proportion in offspring of parents exposed to strong static...