Sökning: "Matthew Collins"

Hittade 2 avhandlingar innehållade orden Matthew Collins.

  1. 1. Essays on instruction time, grades and parental investments in education

    Författare :Matthew Collins; Nationalekonomiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; instruction time; student achievement; PISA; TIMSS; sibling gender; patriliny; matriliny; educational attainment; grading; feedback; educational outcomes; natural experiment; HBSC; grade inflation; signalling; human capital;

    Sammanfattning : This thesis consists of four self-contained papers in the economics of education. The first chapter examines the importance of instruction time for student achievement on international assessments. The second chapter identifies the effect of sibling gender on education and how this effect varies according to traditional inheritance customs. LÄS MER

  2. 2. Genomic insights into the population history of circumpolar Arctic dogs

    Författare :Tatiana Richtman Feuerborn; Anders Hansen; Love Dalen; Mikkel Holger Strander Sinding; Kerstin Liden; Matthew Collins; Stockholms universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Dogs; Arctic; Inuit; Migration; Siberia; Greenland; Sled Dog; arkeologi med inriktning mot laborativ arkeologi; Scientific Archaeology;

    Sammanfattning : The Siberian and North American Arctic have both borne witness to numerous migrations of humans and with them their dogs. This PhD thesis is based on whole genome data from 22 Siberian dogs and 72 North American Arctic dogs, in addition to 186 mitochondrial genomes Siberian and North American Arctic dogs. LÄS MER