Bibliography: leaves 348-366. Elucidates the nature and extent of genetic and environmental contributions to variation in permanent tooth crown size. Sibling correlations are compared to find evidence of sex-linked genes contributing to crown size. This hypothesis was tested by comparing mean tooth size in female-male opposite-sex twins with same-sex twins, and singletons.

Bibliography: leaves 348-366. / x, 366 leaves : ill. (some col.) ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Elucidates the nature and extent of genetic and environmental contributions to variation in permanent tooth crown size. Sibling correlations are compared to find evidence of sex-linked genes contributing to crown size. This hypothesis was tested by comparing mean tooth size in female-male opposite-sex twins with same-sex twins, and singletons. / Thesis (Ph.D.)--University of Adelaide, Dept. of Dentistry, 1998

Bibliography: leaves 348-366. / x, 366 leaves : ill. (some col.) ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Elucidates the nature and extent of genetic and environmental contributions to variation in permanent tooth crown size. Sibling correlations are compared to find evidence of sex-linked genes contributing to crown size. This hypothesis was tested by comparing mean tooth size in female-male opposite-sex twins with same-sex twins, and singletons. / Thesis (Ph.D.)--University of Adelaide, Dept. of Dentistry, 1998

Keywords: Advanced learners, bilingual students, vocabulary, student vocabulary size, case study, receptive vocabulary, productive vocabulary Secondary-school teachers at Czech schools are encountering an increasing number of students who are significantly ahead of their peers. These students are either bilinguals or advanced learners. Regardless of the students' proficiency, the Czech education system enforces these students to keep attending further English classes, which often positions their teacher before a burdening question of what to teach these students. Scientific research postulates that a potential weakness of the said type of students could be vocabulary. This hypothesis was verified in this thesis, with the aid of Paul Nation VLT and Laufer & Nation Productive Vocabulary tests. The second goal of this thesis was to set a typical profile of advanced-learner and bilingual student through a survey. Results from the tests confirmed a significant deficiency in all of twelve test-subjects' productive vocabulary. Receptive vocabulary tests nonetheless revealed large receptive vocabulary size with eleven of tested subjects. Based on these findings, the recommended method for students this advanced is to allow them more autonomy, particularly through extensive reading, and to assign them...