Learning within first-year biology is about inquiry, but in this content-heavy science students can easily fall into the trap of parrot-fashion learning. This study investigates the influence of lecturers' expectation of students in meaning making on the nature of their slides and the quality of students' note-making. Data were collected by classroom observations, video-recordings, a questionnaire for students and interviews with lecturers and students. The quantity and quality of students' notes were analysed for four lectures. The analysis of data resulted in three categories of lecturers: 'student-centred', 'student-directed' and 'teacher-centred'. The student-centred lecturers provided key points on their slides, anticipated that students would build on their class notes and focused on the development of the students' criticalthinking ability. The student-directed and teacher-centred lecturers aimed to complete the syllabus and emphasised the provision of detailed slides that first-years needed to learn. In addition, student-directed lecturers stated that they attempted to simplify topics that they knew students found challenging. When undergraduates perceived that the lecturers' slides did not provide sufficient content for assessments, they reported that they captured more notes during and after the lecture, but analysis revealed that the first-years' notes were usually a close reflection of lecture slides. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.
The purpose of this study was to identify whether there are any differences in the quality of the notes constructed in English between students for whom English is a first language and those for whom it is a second language. Subsequently we assessed whether this difference, if any, affected their grades. Unsurprisingly, the first-language students produced better structured and more detailed notes; they also performed better academically than their second-language peers. However, when students were provided with training that focused on using writing as a means to promote critical thinking, there was an improvement in the personalisation of their notes. The improvement in grades was significant for second-language students. Thus the university has a pivotal role to play in preparing students for academic success by providing them with supportive measures to aid their transition into first year.
The present study examines whether VCM or one of its metabolites, chloracetaldehyde, has a short-term effect on cell metabolism. ATP, ADP, and AMP levels were measured in regenerating rat liver after 4 and 16 hours. No change in the levels of these nucleotides was evident after i.v. injection of VCM immediately after partial hepatectomy. A second technique, that of measuring transmembrane potentials with microelectrodes, was applied both to cells in rat liver slices and pulmonary alveolar macrophages. The addition of VCM and chloracetaldehyde with the electrodes in position in rat liver slices had no significant effect on transmembrane potentials. The same was true for a series of measurements on macrophages before and after addition of the test chemicals. It therefore appears that VCM does not alter general cell metabolism but could act on a specific intracellular target.
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