STUDY QUESTION Compared with singletons, what is the parent mental health, parent-child and couple relationship satisfaction, and child adjustment of 6- to 12-year-old assisted reproduction technology (ART) twins and their families? SUMMARY ANSWER There are no differences between 6- and 12-year-old ART twin and singleton families in parent mental health or family relationships; however, twins...

extract   if you are young, old or in midlife your new ages activities have different meaning to past times.   same as the other societies in our society, age is one of the essential dimensions of organizations and social associations. for example our school system is based on the students' ages. student behavior is different of their adult teachers based on the ages. more or less families...

A family of cosmological models is considered which in a certain synchronized system of reference possess flat slices t = const. They are generated from the EINSTEIN-DE SITTER universe by a suitable transformation. Under physically reasonable presumptions these transformed models fulfil certain energy conditions. Es wird eine Familie kosmologischer Modelle betrachtet, die in einem gewissen sync...

Social advertisement is one of the fastest growing sectors in the digital advertisement landscape: ads in the form of promoted posts are shown in the feed of users of a social networking platform, along with normal social posts; if a user clicks on a promoted post, the host (social network owner) is paid a fixed amount from the advertiser. In this context, allocating ads to users is typically p...

introduction: the nursing staff, compared to other professions, have less healthy work environment and always face a lot of job stress. the quality of the relationship between nurses and physicians has a significant impact on nurses. thus, the aim of the present study was to determine the correlation between job stress for nurses with professional communication between nurses and physicians. ma...