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West University Place, United States

Jantjies M.,North West University | Joy M.,University of Warwick
Educational Technology and Society | Year: 2015

Multilingual classrooms in developing countries are often challenged by a lack of digital resources and technology which supports their multilingual learning process. Code-switching is a phenomenon common to multilingual schools where learners are taught in a language which is not their first language. In these environments, code-switchers frequently alternate between their first and second languages, seeking alternative words to clarify their understanding of the topic being studied. This paper presents a study based in South Africa, where mathematics learners interacted with a mobile learning system named M-Thuto, supporting learners who code-switch while learning and providing them with digital resources. The system consisted of summarised notes, class exercises and a class quiz. Through semi-structured interviews and questionnaires, data were gathered and analysed from 90 learners to gain perspectives on their interaction processes. The study aimed to establish how mobile learning can be used to support multilingual learners in under-resourced schools. The results of the study reflect the need for mobile learning resources that support their learning considering their linguistic challenges. The results also reflect the important role that mobile phones can play as alternative digital learning resources. Source


Gupta A.K.,Molecular Biology Unit | Gupta A.K.,North West University | Rastogi G.,University of California at Davis | Rastogi G.,Wetland Research and Training Center | And 5 more authors.
Medical and Veterinary Entomology | Year: 2014

Flesh flies of the genus Sarcophaga (Diptera: Sarcophagidae) are carrion-breeding, necrophagous insects important in medical and veterinary entomology as potential transmitters of pathogens to humans and animals. Our aim was to analyse the diversity of gut-associated bacteria in wild-caught larvae and adult flesh flies using culture-dependent and culture-independent methods. Analysis of 16S rRNA gene sequences from cultured isolates and clone libraries revealed bacteria affiliated to Proteobacteria, Actinobacteria, Firmicutes and Bacteroidetes in the guts of larval and adult flesh flies. Bacteria cultured from larval and adult flesh fly guts belonged to the genera Acinetobacter, Bacillus, Budvicia, Citrobacter, Dermacoccus, Enterococcus, Ignatzschineria, Lysinibacillus, Myroides, Pasteurella, Proteus, Providencia and Staphylococcus. Phylogenetic analysis showed clone sequences of the genera Aeromonas, Bacillus, Bradyrhizobium, Citrobacter, Clostridium, Corynebacterium, Ignatzschineria, Klebsiella, Pantoea, Propionibacterium, Proteus, Providencia, Serratia, Sporosarcina, Weissella and Wohlfahrtiimonas. Species of clinically significant genera such as Ignatzschineria and Wohlfahrtiimonas spp. were detected in both larvae and adult flesh flies. Sequence analysis of 16S rRNA gene libraries supported culture-based results and revealed the presence of additional bacterial taxa. This study determined the diversity of gut microbiota in flesh flies, which will bolster the ability to assess microbiological risk associated with the presence of these flies. The present data thereby establish a platform for a much larger study. © 2014 The Royal Entomological Society. Source


Ogunremi J.B.,University of Nigeria | Oladele O.I.,North West University
Life Science Journal | Year: 2012

This paper focused on the extent of adoption of aquaculture technology introduced to fish farmers in Lagos State, Nigeria. Researchers have developed technology packages and disseminated it to the fish farmers through extension agents so as to improve aquaculture in Nigeria. The package included nine practices that fish farmers were expected to adopt. Data were collected from fish farmers through structured interview scheduled. Frequency counts and percentages were used as descriptive method of analyzing the data. Results showed that fish farmers adopted mainly three aquaculture technologies introduced by extension agents. These include pond fertilization (89.8%), water quality management (81.9%) and weed control (81.9%). Reasons for non-adoption of technologies include fund (99.1%), effect of the technology (60.0%), skill/manpower (59.0%). To increase the level of adoption of aquaculture technologies in Nigeria, it is necessary to provide fish farmers with credit facilities. Also, extension agents should be provided with motorcycles to enable them visit fish farmers more frequently to provide skill and encourage them to adopt technologies introduced to them. Source


Oyekale A.S.,North West University | Ogunsanya O.A.,University of Ibadan
Life Science Journal | Year: 2012

Inability to access safe drinking water is one of the strongest indicators of underdevelopment because it is basic need of man. In Nigeria, compared to pre-independence era, access to safe water has drastically declined, despite the country's assent to the Millennium Development Goals (MDGs). This study analysed the factors that influence access of rural people to safe water using the Demographic and Health Survey (DHS) data of 2008. The data were analysed with descriptive and Probit regression methods. Results show that ignoring distance, about 57.30 percent of the households obtained their drinking water from sources that are unimproved, while 57.40 percent obtained non-drinking water from unimproved sources. About 27.7 percent and 27.8 percent obtained drinking and non-drinking water respectively from flowing or stagnant water sources such as rivers, dams, lakes, streams. About 20.50 percent had the water in premises of their houses while 39.26 percent would have to trek less than 20 minutes to the water sources. Also, only 13.9 percent were treating water before use. Probit model results show that North East zone (-ve). North West (+ve) South East (-ve), South South (-ve), distance from main source (-ve), sex (-ve) among other were statistical significantly (p<0.10) influencing access to safe water. It was recommended that efforts to resuscitate water supply in the rural areas should be put in place while creation of awareness on the need for water treatment is important. Source


Omojowo J.A.,Njala University | Idowu O.O.,North West University
Life Science Journal | Year: 2012

Interaction between the home and the school is essential in the school lives of participants. Adolescent girls are facing a lot of problems both academically and personal and need all the support they can get from both the home and school environment. Primary data was collected from 8% of the population of girls at the final level of Junior Secondary School in the Eastern Province of Sierra Leone. The study reveals that both of these important channels: the home and the school are not living up to expectations. The parents are abandoning their roles as most of them do not attend the Community Teachers Association (CTA) meetings and do not even go to the schools to check on their girls' progress. The schools personnel are also failing the girls as school counsellors are not present and where they are present they have not established their relevance to the girls. The study concludes by proffering suggestions that it is the schools that have to come up with strategies to get more parents to become involved in school activities. Source

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