Sökning: "Sibling"

Visar resultat 16 - 20 av 152 avhandlingar innehållade ordet Sibling.

1. 16. Essays on the Transmission of Human Capital and the Impact of Technological Change

   Författare :Adrian Adermon; Mikael Lindahl; Magnus Gustavsson; Markus Jäntti; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; education; intergenerational mobility; sibling correlations; natural experiment; copyright; music; movies; file sharing; piracy; inequality; job polarization; task-biased technological change; Economics; Nationalekonomi;

   Sammanfattning : Essay 1: If grandparents have an independent impact on their grandchildren's schooling, intergenerational correlations estimated using two generations will underestimate the true level of intergenerational persistence in education. Recent research has found such multi-generational effects, but there is still no consensus on whether these estimates are due to a direct impact of grandparents on their grandchildren, or if they arise because of measurement error or model misspecification. LÄS MER

3. 17. The Epidemiology of Childhood Celiac Disease: A Social Epidemiological Perspective on Perinatal Factors

   Författare :Carl Johan Wingren; Socialepidemiologi; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Celiac Disease; Children; Risk Factors; Sibling design; Social Epidemiology;

   Sammanfattning : Celiac disease is a chronic gastrointestinal disease affecting approximately 1% of the population. It is precipitated in genetically predisposed individuals by ingestion of food containing gluten or similar proteins that are present in wheat, rye and barley. LÄS MER

4. 18. Parents, Children and Childbearing

   Författare :Johan Dahlberg; Juho Härkönen; Gunnar Andersson; Jennifer S. Barber; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Demography; Sociology; Fertility; Intergenerational transmission; Intergenerational influences; Social background; Parental death; Timing of first birth; Mode of delivery; Sibling correlation; Event history analysis; Childlessness; Sweden; sociologisk demografi; Sociological Demography;

   Sammanfattning : This doctoral thesis provides a set of studies of social influences on fertility timing. Swedish register data are used to link individuals to their parents and siblings, thereby allowing the study of impacts of family of origin, social background, and parental death on fertility. LÄS MER

5. 19. Brood sex ratio and sex differences in Tengmalm’s owl : (Aegolius funereus)

   Författare :Tim Hipkiss; Gary Bortolotti; Umeå universitet; []
   Nyckelord :Aegolius funereus; avian CHD1 genes; brood sex ratio; differential mortality; nomadism; northern Sweden; sexual size dimorphism; sibling rivalry; supplementary feeding; vole cycles; zooekologi; Animal Ecology;

   Sammanfattning : Males and females differ in morphology and behaviour, so that selection acts differently on the two sexes. This changes the relative reproductive success of males and females, and it is beneficial for parents to bias the sex ratio of their broods in favour of the sex with the best survival and breeding prospects. LÄS MER

7. 20. Growing up in a bilingual Quichua community : Play, language and socializing practices

   Författare :Camilla Rindstedt; Stockholms universitet; []
   Nyckelord :Quichua culture; sibling caretaking; language socialization; children s play; bilingualism;

   Sammanfattning : .... LÄS MER