Analysing an audit cycle: a critical realist account
- Boughey, Chrissie, McKenna, Sioux
- Authors: Boughey, Chrissie , McKenna, Sioux
- Date: 2017
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66741 , vital:28988 , ISSN 1470-3300 , https://doi.org/10.1080/03075079.2015.1072148
- Description: Pre-print , This paper reports on the use of a framework developed from Bhaskar's critical realism and Archer's social realism to analyse teaching- and learning-related data produced as a result of the first cycle of institutional audits in the South African higher education system. The use of the framework allows us to see what this cycle of audits did achieve, namely some change in structural systems related to teaching and learning alongside the appointment of key agents. It also allows us to see how the stagnation of sets of ideas about teaching and learning in the domain of culture may mean that an assurance of the quality of learning experiences for all students remained elusive.
- Full Text:
- Date Issued: 2017
- Authors: Boughey, Chrissie , McKenna, Sioux
- Date: 2017
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66741 , vital:28988 , ISSN 1470-3300 , https://doi.org/10.1080/03075079.2015.1072148
- Description: Pre-print , This paper reports on the use of a framework developed from Bhaskar's critical realism and Archer's social realism to analyse teaching- and learning-related data produced as a result of the first cycle of institutional audits in the South African higher education system. The use of the framework allows us to see what this cycle of audits did achieve, namely some change in structural systems related to teaching and learning alongside the appointment of key agents. It also allows us to see how the stagnation of sets of ideas about teaching and learning in the domain of culture may mean that an assurance of the quality of learning experiences for all students remained elusive.
- Full Text:
- Date Issued: 2017
Crossing conceptual thresholds in doctoral communities
- Authors: McKenna, Sioux
- Date: 2017
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66719 , vital:28986 , ISSN 1470-3300 , https://doi.org/10.1080/14703297.2016.1155471
- Description: Pre-print , The traditional apprenticeship model of supervision in which the single scholar charts her individual research path is giving way to more collaborative learning environments. Doctoral programmes, in which communities of scholars work together, have become increasingly common. This study interrogated how being part of such a community enables the conceptual depth we expect at doctoral level. It draws on the notion of conceptual threshold crossing to make sense of the learning experiences of 28 education PhD scholars. Working in a community of doctoral scholars was found to have conceptual impact (i) when the community is supportive, (ii) encourages risk-taking and facilitates conversations across different issues and disciplines, (iii) when the scholars have to regularly articulate their position and (iv) because the programme structure enhances the likelihood of fortuitous encounters with theories and concepts.
- Full Text:
- Date Issued: 2017
- Authors: McKenna, Sioux
- Date: 2017
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66719 , vital:28986 , ISSN 1470-3300 , https://doi.org/10.1080/14703297.2016.1155471
- Description: Pre-print , The traditional apprenticeship model of supervision in which the single scholar charts her individual research path is giving way to more collaborative learning environments. Doctoral programmes, in which communities of scholars work together, have become increasingly common. This study interrogated how being part of such a community enables the conceptual depth we expect at doctoral level. It draws on the notion of conceptual threshold crossing to make sense of the learning experiences of 28 education PhD scholars. Working in a community of doctoral scholars was found to have conceptual impact (i) when the community is supportive, (ii) encourages risk-taking and facilitates conversations across different issues and disciplines, (iii) when the scholars have to regularly articulate their position and (iv) because the programme structure enhances the likelihood of fortuitous encounters with theories and concepts.
- Full Text:
- Date Issued: 2017
The Guinea pigs of a problem-based learning curriculum
- Reddy, Sarasvathie, McKenna, Sioux
- Authors: Reddy, Sarasvathie , McKenna, Sioux
- Date: 2016
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66730 , vital:28987 , ISSN 1470-3300 , https://doi.org/10.1080/14703297.2014.959542
- Description: Publisher version , Participants in a study on learning the clinical aspects of medicine in a problem-based learning (PBL) curriculum repeatedly referred to themselves as ‘Guinea pigs’ at the mercy of a curriculum experiment. This article interrogates and problematises the ‘Guinea pig’ identity ascribed to and assumed by the first cohort of students who undertook a PBL curriculum. The article suggests that a range of issues may have come into play in the unfortunate events reported on here, and focuses on the participants’ reported experiences of marginalisation during their clinical education modules in the hospital wards. The impact of power differentials on identity formation was found to be exacerbated by the ‘Guinea pig’ characterisation.
- Full Text: false
- Date Issued: 2016
- Authors: Reddy, Sarasvathie , McKenna, Sioux
- Date: 2016
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66730 , vital:28987 , ISSN 1470-3300 , https://doi.org/10.1080/14703297.2014.959542
- Description: Publisher version , Participants in a study on learning the clinical aspects of medicine in a problem-based learning (PBL) curriculum repeatedly referred to themselves as ‘Guinea pigs’ at the mercy of a curriculum experiment. This article interrogates and problematises the ‘Guinea pig’ identity ascribed to and assumed by the first cohort of students who undertook a PBL curriculum. The article suggests that a range of issues may have come into play in the unfortunate events reported on here, and focuses on the participants’ reported experiences of marginalisation during their clinical education modules in the hospital wards. The impact of power differentials on identity formation was found to be exacerbated by the ‘Guinea pig’ characterisation.
- Full Text: false
- Date Issued: 2016
The impact of geographical origin of two strains of the herbivore, Eccritotarsus catarinensis, on several fitness traits in response to temperature
- Ismail, Mohannad, Brooks, Margot
- Authors: Ismail, Mohannad , Brooks, Margot
- Date: 2016
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66914 , vital:28999 , ISSN 0306-4565 , https://doi.org/10.1016/j.jtherbio.2016.07.008
- Description: Publisher version , Adaptation to temperature changes is vital to reduce adverse effects on individuals, and some may present phenotypic changes, which might be accompanied with physiological costs in fitness traits. The objective of this study was to determine whether the two strains of the herbivore Eccritotarsus catarinensis, a biological control agent against water hyacinth in South Africa, differ in their responses to temperature according to their geographical origin. We experimentally quantified the responses of the two strains, at three constant temperatures: 20 °C, 25 °C and 30 °C, using laboratory cultures that originated from Brazil and Peru, where climates differ. Reproductive output, egg hatching rate, sex ratio and longevity were recorded at each temperature. Fitness traits for both strains were significantly reduced at 30 °C compared with 25 °C and 20 °C in two successive generations. Nonetheless, Peruvian individuals continued their development at 30 °C, whereas Brazilian individuals that succeeded in emerging did not continue their development. In contrast, sex ratio was unaffected by temperature. The Peruvian strain of E. catarinensis presented different phenotypes depending on temperature and was more adapted to extreme high temperature than the Brazilian strain. The tropical origin of the population induces the insect to tolerate the extreme high temperature. We suggest that the Peruvian strain could be better suited for release to control water hyacinth in nature, particularly in regions where temperature is high.
- Full Text: false
- Date Issued: 2016
- Authors: Ismail, Mohannad , Brooks, Margot
- Date: 2016
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66914 , vital:28999 , ISSN 0306-4565 , https://doi.org/10.1016/j.jtherbio.2016.07.008
- Description: Publisher version , Adaptation to temperature changes is vital to reduce adverse effects on individuals, and some may present phenotypic changes, which might be accompanied with physiological costs in fitness traits. The objective of this study was to determine whether the two strains of the herbivore Eccritotarsus catarinensis, a biological control agent against water hyacinth in South Africa, differ in their responses to temperature according to their geographical origin. We experimentally quantified the responses of the two strains, at three constant temperatures: 20 °C, 25 °C and 30 °C, using laboratory cultures that originated from Brazil and Peru, where climates differ. Reproductive output, egg hatching rate, sex ratio and longevity were recorded at each temperature. Fitness traits for both strains were significantly reduced at 30 °C compared with 25 °C and 20 °C in two successive generations. Nonetheless, Peruvian individuals continued their development at 30 °C, whereas Brazilian individuals that succeeded in emerging did not continue their development. In contrast, sex ratio was unaffected by temperature. The Peruvian strain of E. catarinensis presented different phenotypes depending on temperature and was more adapted to extreme high temperature than the Brazilian strain. The tropical origin of the population induces the insect to tolerate the extreme high temperature. We suggest that the Peruvian strain could be better suited for release to control water hyacinth in nature, particularly in regions where temperature is high.
- Full Text: false
- Date Issued: 2016
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