90 research outputs found
Learning to assess in higher education: a collaborative exploration of the interplay of 'formal' and 'informal' learning in the academic workplace
During 2005 to 2010 74 Centres for Excellence in Teaching and Learning (CETLs) were funded by the Higher Education Funding Council for England (HEFCE). As the name suggests, the aim of the CETL initiative was to reward and develop expertise in teaching and learning linked to particular areas of excellence. The CETL where the authors of this paper worked focused on developing Assessment for Learning (AfL) practices (McDowell et al., 2008). The paper discusses the findings from three research projects undertaken at the CETL which can be grouped under the broad theme of the exploration of assessment practices and academic development.However, while we are all interested in the ways academics learn to assess, the disciplinary/research backgrounds and theoretical assumptions we bring to our respective projects are quite different. Hodkinson and Macleod (2010) discuss conceptualisations of learning by referring to metaphors which are commonly used âwhen learning is thought aboutâ (p.174): learning as acquisition, as participation, as construction, as formation and as becoming. They argue that each metaphor assumes particular approaches to understanding and researching learning, and this also applies to the projects drawn on for this paper. The projects which have generated the data considered in this paper are, on the one hand, underpinned and informed by different conceptualisations of learning, bodies of literature and methodologies. On the other hand, the institutional context within which the data were collected and the data collection methods, i.e. semi-structured interviews, are the same. This paper also explores the benefits and challenges of working collaboratively on HE research questions from different theoretical perspectives. We would like to argue that that using data generated by all three projects is a legitimate, albeit unusual, way of advancing our understanding of learning in the academic workplace since it allows us to focus on the interface between informal and formal learning rather than discussing one type of learning at the expense of the other
Learnersâ educational aspirations in South Africa: The role of the home and the school
An extensive body of research exists on the background characteristics that predict learner achievement. However, in South Africa, little attention has been paid to the level of educational aspirations and the factors that shape the level of aspirations. Using a bio-ecological systems theory of development, we explored the role of gender, socio-economic status (determined by resources at home and school), parental involvement and school climate in determining educational aspirations. Using a nationally representative sample of 11,969 learners (females = 5,248; mean age = 15.7 years) from the Trends in International Mathematics and Science Study (TIMSS) and the statistical analysis technique of structural equation modelling (SEM), we investigated the relationships between parental involvement, school climate and learner educational aspirations. Our study showed that students from low socio-economic status (SES) homes and schools had lower educational aspirations. We also found positive relationships between both positive and negative school climate and learner aspirations. A surprising finding was that parental involvement did not have any influence on shaping learner aspirations. The findings indicate a need to improve educational resources at schools as well as the school climate, as schools matter for learners in low-income countries. Furthermore, it is important to inform learners of the requirements for tertiary education, so that they develop more realistic aspirations.
Keywords: home resources; learner educational aspirations; parental involvement; school climate; school socio-economic statu
Measuring positive mental health and depression in Africa : a variable-based and person-centred analysis of the dual-continua model
The dual-continua model of mental health provides a contemporary framework for
conceptualising and operationalising mental health. According to this model, mental health
is distinct from but related to mental illness, and not the opposite or merely the absence of
psychopathology symptoms. To examine the validity of the dual-continua model, previous
studies have either applied variable-based analysis such as confirmatory factor analysis
(CFA), or used predetermined cut-off points for subgroup division. The present study extends
this contribution by subjecting data from an African sample to both CFA and latent class
analysis (LCA) to test the dual-continua model in Africa. We applied CFA separately for the
Mental Health ContinuumâShort Form (MHC-SF) and Patient Health Questionnaireâ9
(PHQ-9); and LCA on combined item responses. College students (N =892; average
age=22.74, SD =4.92; female=58%) from Ghana (n =309), Kenya (n =262), Mozambique
(n =232), and South Africa (n =89) completed the MHC-SF and PHQ-9. With minor
modifications to the measurement models, the CFA results of this study confirm the threefactor structure of the MHC-SF, and a unidimensional solution for the PHQ-9. LCA results
show the presence of three distinct latent classes: languishing with moderate endorsement
of depressive symptoms (25.9%), flourishing with low endorsement of depressive symptoms
(63.7%), and moderate mental health with high endorsement of depressive symptoms
(10.4%). These findings further contribute to affirming the evidence for the dual-continua
model of mental health, with implications for the assessment of mental health, to inform
policy, practise, and future research in community and clinical settings in Africa.The South African National Research Foundation (NRF).https://www.frontiersin.org/journals/psychologydm2022Educational Psycholog
Rapid photovoice as a close-up, emancipatory methodology in student experience research : the case of the student movement violence and wellbeing study
In this paper, we critically reflect on our conceptualization and operationalization of ârapid photovoiceâ as a close-up, emancipatory, action research methodology which has multiple, intersecting social-justice goals; and consider the methodologyâs potential for helping to achieve such goals. We first consider photovoice in relation to its typical use in public health research, as well as in prior research into student experiences of higher education. We then consider our pragmatic redesign of the methodology as rapid photovoice (RPV), which we conceptualized in response to the goals, parameters, and constraints inherent in our project, which studied student movement violence and wellbeing. In the third part of the article, we describe and discuss our operationalization of RPV in this study on four university campuses in South Africa. In the fourth section, we reflect on some of the ethical considerations arising from the topic and the methodology. In the final section of the article, we critically assess the interim outcomes of our use of RPV in terms of (1) psychologically empowering students to reflect on traumatic experiences in a safe space and enhancing their self-awareness of wellbeing, wellbeing resources and coping strategies; (2) the politically emancipatory potential of photovoice to represent student experiences authentically and with immediacy to higher education policy role-players, and (3) its ability to co-create artifacts of collective memory that provide authentic empirical material for making trustworthy knowledge claims.The National Research Foundation of South Africa. The project is part of a larger research into the new South African student movement âFrom #RhodesMustFall to #FeesMustFallâ which is funded in part by The Andrew W. Mellon Foundation.http://journals.sagepub.com/home/ijqhj2021Educational PsychologyPsycholog
Motivations for relationships as sources of meaning : Ghanaian and South African experiences
Afrocentric paradigms reflect assumptions of the overarching importance of
interconnectedness and social bonds in meaningful experiences. It is, however, not
known if types of relatedness vary in importance as meaning sources in the subjective
experiences of laypeople, or what the reasons are that they ascribe to the importance of
relationships. The empirical and theoretical substantiation of philosophical assumptions
is needed to provide a scientific basis for appropriate well-being interventions in African
contexts. Therefore, this study aimed to empirically explore the relative importance of
various types of relationships as sources of meaning and in particular why relationships
are important to laypeople in relatively collectivist African contexts. Using a bottomup
qualitative approach with quantification of responses, this study explored how
prominently relationships featured as meaning sources compared to other domains
of life and then, in particular, the motivations for the importance of various types of
relationships as found in four African samples: a Ghanaian urban group (n = 389),
a South African multicultural, English-speaking urban group (n = 585), and two
South African Setswana-speaking groups (n = 512 rural, n = 380 urban). Findings
showed that the relational domains of life, namely, family, interpersonal relations,
spirituality/religion, and community/society, made up a large proportion of responses
on what provides meaning in life in particular family and spirituality/religion with
community/society occurring the least. The reasons for meaning experienced in various
relationship types included domain-typical relational descriptors, such as contributions
made or rewards received. However, many intrapersonal motives also emerged: inner
well-being, happiness, joy, a sense of competence, and own growth. Material needs and harmony also surfaced as motivations for relational importance. Findings are aligned
with African philosophical perspectives as far as the importance of relationships and
the value attached to spirituality/religion are concerned, but contributed additionally by
showing that different types of relationships vary in importance: close relationships are more important than community/societal relationships. Unearthing the reasons for the
importance of relationships points toward a dialectic pattern of African individualismâ
collectivism in which independent and interdependent orientations flow together.
Such knowledge is vital for the promotion of mental health and well-being in
these contexts.This work from the FORT 3 and PURE-SA projects are based
on the research supported in part by the National Research
Foundation (NRF) of South Africa (Grant Numbers: 91557,
106050, 2069139, FA2006040700010, FA2007042600011, and
121948). Funding for PURE-SA were also obtained from the
SANPAD (South Africa Netherlands Research Programme on
Alternatives in Development 08/15), the South African Medical
Research Council, the North-West University, South Africa,
and the Population Health Research Institute, ON, Canada.http://www.frontiersin.org/Psychologyam2020Psycholog
A multiplex PCR assay for the differentiation of Mycobacterium tuberculosis complex reveals high rates of mixed-lineage tuberculosis infections among patients in Ghana
In low-resource settings with high tuberculosis (TB) burdens, lack of rapid diagnostic methods for detection and differentiation of Mycobacterium tuberculosis complex (MTBC) is a major challenge affecting TB management. This study utilized comparative genomic analyses of MTBC lineages; M. tuberculosis, M. africanum Lineages 5/6 and M. bovis to identify lineage-specific genes. Primers were designed for the development of a Multiplex PCR assay which was successful in differentiating the MTBC lineages. There was no cross-reaction with other respiratory pathogens tested. Validation of the assay using clinical samples was performed with sputum DNA extracts from 341 clinically confirmed active TB patients. It was observed that 24.9% of cases were caused by M. tuberculosis, while M. africanum L5 & L6 reported 9.0% and 14.4%, respectively. M. bovis infection was the least frequently detected lineage with 1.8%. Also, 27.0% and 17.0% of the cases were PCR negative and unspeciated, respectively. However, mixed-lineage TB infections were recorded at a surprising 5.9%. This multiplex PCR assay will allow speciation of MTBC lineages in low-resource regions, providing rapid differentiation of TB infections to select appropriate medication at the earliest possible time point. It will also be useful in epidemiological surveillance studies providing reliable information on the prevalence of TB lineages as well as identifying difficult to treat cases of mixed-lineage tuberculosis infections
BBF RFC 106: A Standard Type IIS Syntax for Plants
Here we define a standard syntax for assembling standard parts for expression in plant cells, extensible to all other eukaryotes. Variations of the Type IIS mediated cloning method known as Golden Gate Cloning, most notably Golden Braid (GB2.0) and Golden Gate Modular Cloning (MoClo) are in common use, particularly for the assembly of plasmids for delivery to plant cells. Many characterised plant parts compatible with Type IIS mediated assembly are available outside of the Registry of Standard Parts, as well as plasmids with the features necessary for delivery of DNA to plants cells via the shuttle chassis, Agrobacterium tumefaciens. This RFC describes a consensus Type IIS syntax for plant parts to allow assembly into complete eukaryotic transcriptional units in plasmid vectors that contain the necessary features for transfection of plant chassis. We use Marchantia polymorpha, a primitive and easy-to-engineer liverwort and Nicotiana benthamiana a model plant as exemplar chassis
Accumulation of point mutations and reassortment of genomic RNA segments are involved in the microevolution of Puumala hantavirus in a bank vole (Myodes glareolus) population
Razzauti M, Plyusnina A, Henttonen H, Plyusnin A. Accumulation of point mutations and reassortment of genomic RNA segments are involved in the microevolution of Puumala hantavirus in a bank vole (Myodes glareolus) population. J Gen Virol. 2008 Jul;89(Pt 7):1649-60."The genetic diversity of Puumala hantavirus (PUUV) was studied in a local population of its natural host, the bank vole (Myodes glareolus). The trapping area (2.5x2.5 km) at Konnevesi, Central Finland, included 14 trapping sites, at least 500 m apart; altogether, 147 voles were captured during May and October 2005. Partial sequences of the S, M and L viral genome segments were recovered from 40 animals. Seven, 12 and 17 variants were detected for the S, M and L sequences, respectively; these represent new wild-type PUUV strains that belong to the Finnish genetic lineage. The genetic diversity of PUUV strains from Konnevesi was 0.2-4.9% for the S segment, 0.2-4.8% for the M segment and 0.2-9.7% for the L segment. Most nucleotide substitutions were synonymous and most deduced amino acid substitutions were conservative, probably due to strong stabilizing selection operating at the protein level. Based on both sequence markers and phylogenetic clustering, the S, M and L sequences could be assigned to two groups, 'A' and 'B'. Notably, not all bank voles carried S, M and L sequences belonging to the same group, i.e. SAMALA or SBMBLB.. A substantial proportion (8/40, 20%) of the newly characterized PUUV strains possessed reassortant genomes such as SBMALA, SAMBLB or SBMALB. These results suggest that at least some of the PUUV reassortants are viable and can survive in the presence of their parental strains.""The genetic diversity of Puumala hantavirus (PUUV) was studied in a local population of its natural host, the bank vole (Myodes glareolus). The trapping area (2.5x2.5 km) at Konnevesi, Central Finland, included 14 trapping sites, at least 500 m apart; altogether, 147 voles were captured during May and October 2005. Partial sequences of the S, M and L viral genome segments were recovered from 40 animals. Seven, 12 and 17 variants were detected for the S, M and L sequences, respectively; these represent new wild-type PUUV strains that belong to the Finnish genetic lineage. The genetic diversity of PUUV strains from Konnevesi was 0.2-4.9% for the S segment, 0.2-4.8% for the M segment and 0.2-9.7% for the L segment. Most nucleotide substitutions were synonymous and most deduced amino acid substitutions were conservative, probably due to strong stabilizing selection operating at the protein level. Based on both sequence markers and phylogenetic clustering, the S, M and L sequences could be assigned to two groups, 'A' and 'B'. Notably, not all bank voles carried S, M and L sequences belonging to the same group, i.e. SAMALA or SBMBLB.. A substantial proportion (8/40, 20%) of the newly characterized PUUV strains possessed reassortant genomes such as SBMALA, SAMBLB or SBMALB. These results suggest that at least some of the PUUV reassortants are viable and can survive in the presence of their parental strains.""The genetic diversity of Puumala hantavirus (PUUV) was studied in a local population of its natural host, the bank vole (Myodes glareolus). The trapping area (2.5x2.5 km) at Konnevesi, Central Finland, included 14 trapping sites, at least 500 m apart; altogether, 147 voles were captured during May and October 2005. Partial sequences of the S, M and L viral genome segments were recovered from 40 animals. Seven, 12 and 17 variants were detected for the S, M and L sequences, respectively; these represent new wild-type PUUV strains that belong to the Finnish genetic lineage. The genetic diversity of PUUV strains from Konnevesi was 0.2-4.9% for the S segment, 0.2-4.8% for the M segment and 0.2-9.7% for the L segment. Most nucleotide substitutions were synonymous and most deduced amino acid substitutions were conservative, probably due to strong stabilizing selection operating at the protein level. Based on both sequence markers and phylogenetic clustering, the S, M and L sequences could be assigned to two groups, 'A' and 'B'. Notably, not all bank voles carried S, M and L sequences belonging to the same group, i.e. SAMALA or SBMBLB.. A substantial proportion (8/40, 20%) of the newly characterized PUUV strains possessed reassortant genomes such as SBMALA, SAMBLB or SBMALB. These results suggest that at least some of the PUUV reassortants are viable and can survive in the presence of their parental strains."Peer reviewe
Global online trade in primates for pets
The trade in primates as pets is a global enterprise and as access to the Internet has increased, so too has the trade of live primates online. While quantifying primate trade in physical markets is relatively straightforward, limited insights have been made into trade via the Internet. Here we followed a three-pronged approach to estimate the prevalence and ease of purchasing primates online in countries with different socioeconomic characteristics. We first conducted a literature review, in which we found that Malaysia, Thailand, the USA, Ukraine, South Africa, and Russia stood out in terms of the number of primate individuals being offered for sale as pets in the online trade. Then, we assessed the perceived ease of purchasing pet primates online in 77 countries, for which we found a positive relationship with the Internet Penetration Rate, total human population and Human Development Index, but not to Gross Domestic Product per capita or corruption levels of the countries. Using these results, we then predicted the levels of online primate trade in countries for which we did not have first-hand data. From this we created a global map of potential prevalence of primate trade online. Finally, we analysed price data of the two primate taxa most consistently offered for sale, marmosets and capuchins. We found that prices increased with the ease of purchasing primates online and the Gross Domestic Product per capita. This overview provides insight into the nature and intricacies of the online primate pet trade and advocates for increased trade regulation and monitoring in both primate range and non-range countries where trade has been substantially reported. © 2023 The Author
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