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Access Development in South African Mountainous Plantations—Problems, Trends, Research
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Walter Warkotsch --- Faculty of Forestry,The forest road network in South Africa's plantations was rapidly developed to provide access for planting, fire protection and later logging. The result today is a fairly high road density of rather low standard roads! -
Promoting Inter-Relational Reflexivity with Psychosocial Workers in Community Work: A Case Study from Burundi
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yvonne Sliep --- School of Psychology, University of the University of KwaZulu-Natal, South Africa Andrew Gilbert --- Govan Mbeki Research and Development Centre, South AfricaWe explore the practice of creating reflexive spaces within community work with psychosocial workers living in Burundi and the Democratic Republic of the Congo. A central idea is inter-relational reflexivity—reflexivity within relationships that leads to collective action. Theoretical ideas related... -
Brief Overview of the Advancement of Postmodern Approaches to Career Counseling
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria,Global changes in people's lifestyles and in the world of work (prompted by changes in the global economy) have necessitated changes in the facilitation of career counseling in the postmodern era. This article attempts to provide a concise overview of... -
Life Designing in 21st Century: Using a New, Strengthened Career Genogram
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Annamaria Di Fabio --- University of Florence, ItalyThis work proposes the use of a new, strengthened career genogram in a life designing paradigm for the 21st century. The article shows the importance of the new paradigm for career construction and self-constructing in life designing interventions. From this... -
Career Counselling in the 21st Century: A Reaction Article
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Brandon Morgan --- University of Johannesburg,This article reviews the articles on career counselling in the special edition of the Journal of Psychology in Africa. A thematic analysis to the content of the articles was conducted and common themes extrapolated. The main themes were (a) the... -
Exploring the Psychological Exteriority and Interiority of Men's Violence Against Women
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ursula Lau --- University of South Africa, Garth Stevens --- University of the Witwatersrand,This study explored male perpetrators subjective experiences of violence against their intimate partners. Participants were a convenience sample of 12 men (11 ‘Black’ and 1 ‘White’, between 18 to 70 years of age) recruited from three organisations in Johannesburg, South... -
Exploring Young Black Persons' Narratives About the Apartheid Past
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Cheryl Petersen --- North-West University (Potchefstroom Campus), South Africa Chris Venter --- North-West University (Potchefstroom Campus), South Africa Karel Botha --- North-West University (Potchefstroom Campus), South AfricaThis study examined intergeneration narratives about the apartheid past through the retelling of 14 young black South Africans aged 16 to 21 (males =6, females =8). A qualitative categorical-content data analysis underpinned by social constructionism, explored these secondary narrative segments... -
Identifying and Dealing with the Adaptability Needs of an Unwed Pregnant Teenager
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, South Africa Esta Hansen --- University of Pretoria, South AfricaThis article describes a way of identifying and dealing with the adaptability needs of a pregnant teenager from a life design perspective. The participant was selected purposively from among a group of undergraduate students at an institution for unwed mothers... -
‘Bhuti’: Meaning and Masculinities in Xhosa Brothering
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lisa Saville Young --- Rhodes University, South Africa Catherine Jackson --- Rhodes University, South AfricaThe article explores the connections between context, masculinity and the fraternal relationship to understand brotherhood in Xhosa culture. The participant was a Xhosa man (32 years old, with tertiary level education). Data were collected using a semi-structured interview. The data... -
The Value of Life Design Counselling for an Adolescent who Stutters
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Yolene Hancke --- University of Pretoria,This study reports the results of a life design approach case study with an adolescent with stuttering. A variety of postmodern techniques were used to engage the adolescent in life design conversations about a preferred and meaningful future. Post-intervention, the... -
Categories of Human Risk Factors Which Impact on the Psychological Fitness of Construction Workers: A Review of the Evidence
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Larisa Alet Louw --- University of South Africa, Pieter Schaap --- University of Pretoria,This systematic review sought to identify and examine the evidence on human factors which impact on the psychological fitness of construction workers. Studies were reviewed spanning the period from 1966 to 2012. Database searches included 135 ScienceDirect and EBSCOHost sources,... -
Malawi faith communities responding to HIV/AIDS: preliminary findings of a knowledge translation and Participatory-Action Research (PAR) project
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: DennisG Willms Maria-Ines Arratia Patrick MakondesaThis paper reports on the preliminary findings (year one) of a four-year intervention and Participatory-Action Research (PAR) project in Malawi. Project goals are to enhance the response capacity and effectiveness of Faith Community (FC) leaders to the problem of HIV/AIDS... -
The Zooplankton Community of the Mhlathuze (Richards Bay) Estuary: Two Decades After Construction of the Harbour
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: H. L. JerlingThe Mhlathuze (Richards Bay) Estuary on the KwaZulu-Natal coast, South Africa, was substantially altered during the early 1970s, when it was divided into two separate systems. The northern section was developed into a deep-water harbour, whereas the southern part was... -
Few data but many fish: marine small-scale fisheries catches for Mozambique and Tanzania
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Jacquet --- Sea Around Us Project, Fisheries Centre, Canada H Fox --- Conservation Science Program, USA H Motta --- WWF Mozambique Coordination Office, Mozambique A Ngusaru --- EAME Programme, WWF-Tanzania Programme Office, Tanzania D Zeller --- Sea Around Us Project, Fisheries Centre, CanadaThe fisheries data supplied to the Food and Agriculture Organization of the United Nations (FAO) by national agencies have served as the primary tool for many global and regional studies. However, it is recognised that these data are incomplete and... -
The zooplankton community of Richards Bay Harbour and adjacent Mhlathuze Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: HL JerlingDuring construction of the current Richards Bay Harbour in the early 1970s, the original shallow Mhlathuze Estuary was divided into two separate systems: a new estuary and a deep-water harbour. This study compares the zooplankton communities of the current systems... -
Water location, piospheres and a review of evolution in African ruminants
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JF Derry AJ DougillThe main radiation of large mammalian herbivores in Africa took place in the Pliocene–Pleistocene, when a long-term trend towards aridification promoted grasslands and the diversification of ruminant grazers. Traditional models of this evolution identify habitat fragmentation in response to climate... -
On Categories of Monoids, Comonoids, and Bimonoids
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Hans-E. PorstThe categories of monoids, comonoids and bimonoids over a symmetric monoidal category C are investigated. It is shown that all of them are locally presentable provided C's underlying category is. As a consequence numerous functors on and between these categories... -
Life Design Career Counselling with an Abandoned Adolescent: A Case Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of the Free State, South Africa Sandra Crous --- University of Pretoria, South AfricaThis article describes the value of life design counselling with an abandoned adolescent female. The participant was selected purposively from among a group of abandoned adolescent females who had expressed a need for career counselling. The life intervention comprised two... -
Racing risk, gendering responsibility: a qualitative study of how South African students talk about sexual risk and responsibility
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Mary van der Riet --- Psychology, School of Applied Human Sciences, South Africa Tamaryn Jane Nicholson --- Psychology, School of Applied Human Sciences, South AfricaIndividuals’ perceptions of risk have implications for whether and how they engage with protective strategies. This study investigated how sexual risk, specifically HIV and pregnancy and responsibility for these risks were constructed in discussions across five groups of youth in... -
Life design counselling effects on the career adaptability of learners in a selective independent school setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- Faculty of Education, South Africa Claire Symington --- Faculty of Education, South AfricaThis collective case study applied life design counselling to augment the career adaptability of learners in a South African independent school setting. Five purposively selected learners attending Grade 11 (age range: 16–18) completed eight group-based life design counselling sessions. Data... -
Life design counselling effects on the career adaptability of learners in a selective independent school setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- Faculty of Education, South Africa Claire Symington --- Faculty of Education, South AfricaThis collective case study applied life design counselling to augment the career adaptability of learners in a South African independent school setting. Five purposively selected learners attending Grade 11 (age range: 16–18) completed eight group-based life design counselling sessions. Data... -
The ‘picaninny wage’. An historical overview of the persistence of structural inequality and child labour in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: S.L. Levine --- Department of Social Anthropology,This paper considers the recruitment of children and youths in colonial and post colonial South Africa. It explores the early legislation that transformed the nature of childhood in pre-colonial South Africa, and contributes to emerging scholarship on social constructions of... -
Introduction to Anthropology Southern Africa special issue on ‘Engaging Difference: Perspectives on belonging and exclusion in contemporary southern and East Africa’
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Heike Becker --- Department of Anthropology and Sociology,This special issue of Anthropology Southern Africa is the result of troubling questions of how to engage difference and belonging. Anthropologists in South Africa, like their colleagues elsewhere, today face the return of difference thinking. The articles in this special... -
Putting the squeeze on the sample covariance matrix for portfolio construction
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Brian Munro --- Cadiz Asset Management, The Terraces, South Africa David Bradfield --- Department of Statistical Sciences, South AfricaPortfolio construction plays a critical role in adding performance to a fund. Central to portfolio construction are the two primary inputs: the vector of forecast returns and the covariance matrix. Our focus is on the covariance matrix. With guidance from... -
Construction of a valid and reliable test to determine knowledge on dietary fat of higher-educated young adults
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: I. Venter --- Department of Agricultural and Food Sciences, Cape TownAbstract -
Occupational safety and health issues on road construction sites in sub-Saharan Africa: A case study from Uganda
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Stephen Nyende-Byakika --- Department of Civil Engineering, South AfricaThe road construction industry in Uganda has been boosted in recent years in an effort to foster economic development. Safety practices within the industry, however, leave a lot to be desired and this exposes workers to unnecessary occupational risks. This... -
Design and fabrication of an improved maize shelling machine
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Pius Bamidele Mogaji --- Department of Mechanical Engineering, NigeriaThe objective of this work is to design and develop an improved maize shelling machine in terms of better time management, affordable cost, portability and mechanical efficiency. The method used involved selecting appropriate materials, and utilisation of theories of failure... -
Exploring a sample of university students’ perceptions of menstruation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kulthum Ismail --- Department of Psychology, South Africa Athena Pedro --- Department of Psychology, South Africa Michelle Andipatin --- Department of Psychology, South AfricaThis study aimed to explore how a sample of young South African women constructed their perceptions of menstruation. The sample comprised 16 racially/ethnically diverse female university students (blacks = 4, whites = 2, coloured = 8; Christians = 11; Muslims... -
Adolescent experiences of sense of self in the context of family violence in a South African community
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Charlene Petersen --- Cape Peninsula University of Technology, South Africa Herman Grobler --- School for Psycho-Social Behavioural Sciences, Community Psychosocial Research (COMPRES), Faculty of Health Sciences, South Africa Karel Botha --- School for Psycho-Social Behavioural Sciences, Community Psychosocial Research (COMPRES), Faculty of Health Sciences, South AfricaThis study explored the self-identity constructions of South African adolescents with a history of family violence. Twelve school learners were purposively selected for the study (11 females, ages 15-18 years). They completed semi-structured individual interviews. The data were thematically analysed... -
Vertical distribution of living mangrove foraminifera from KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: KL Strachan --- Discipline of Geography, School of Agricultural, Earth and Environmental Sciences, South Africa TR Hill --- Discipline of Geography, School of Agricultural, Earth and Environmental Sciences, South Africa JM Finch --- Discipline of Geography, School of Agricultural, Earth and Environmental Sciences, South AfricaModern foraminiferal assemblage zones can be used to reconstruct palaeo sea levels when applied to fossil foraminifera down a sediment core. Previous intertidal foraminiferal studies have predominantly focused on assemblages in surface sediments (0–1 cm), with the rationale that surface... -
Exploratory factor analysis on drivers of firm’s growth among construction SMEs in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: B. M. Arthur-Aidoo --- Sustainable Human Settlement and Construction Research Centre, Faculty of Engineering and the Built Environment, South Africa C. O. Aigbavboa --- Sustainable Human Settlement and Construction Research Centre, Faculty of Engineering and the Built Environment, South Africa W. D. Thwala --- Sustainable Human Settlement and Construction Research Centre, Faculty of Engineering and the Built Environment, South AfricaThe growth of construction SMEs is imperative if an economy is to develop. Numerous factors influence the growth of construction SMEs due to the nature of their operation. Their growth can also be driven their activities which can be classified... -
Trauma event autobiographies: An exploratory multiple case study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Corné Engelbrecht --- Department of Psychology, South Africa Maria Papaikonomou --- Department of Psychology, South AfricaThis multiple case study explored trauma event memories of three individuals to characterise underlying meanings important for their recovery. The three participants were women in the age range of 43 to 54 years old, who shared their own memories of... -
Investigating the informal mode of financing utilized for construction financing in Somalia: Some evidence
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mohamed Ibrahim Nor --- Faculty of Management Sciences, Somalia Tajul Ariffin Masron --- School of Management, MalaysiaIntermediation is the main objective of any financial industry. While financing services are provided by formal financial institutions in the advanced world, financing services are provided differently in emerging economies. Hence, various alternative modes of financing are used in these... -
Validity and reliability of a questionnaire developed to explore nutrition determinants among construction workers in Gauteng, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Chioma Okoro --- School of Civil Engineering and Built Environment, Department of Construction Management and Quantity Surveying, Innocent Musonda --- School of Civil Engineering and Built Environment, Department of Construction Management and Quantity Surveying, Justus Agumba --- School of Civil Engineering and Built Environment, Department of Construction Management and Quantity Surveying,Objectives: The nutrition of construction workers is related to their health and safety (H&S) at work. Research on the factors influencing construction workers’ food choices and overall nutrition is limited, in South Africa and indeed Africa as a whole. The... -
Gender-sensitive training for substance use disorder treatment: Results and implications of a pilot health professionals needs assessment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Liezille Jacobs --- Psychology Department, South AfricaThis study explored mental health practitioner training needs in gender-sensitive substance use disorder (SUD) counselling genderqueer populations. Informants were health professionals in SUD practices and from the Eastern Cape, South Africa (females = 75%; black = 90%, 10% = white,... -
Barriers hindering biomimicry adoption and application in the construction industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olusegun A. Oguntona --- Sustainable Human Settlement and Construction Research Centre, Faculty of Engineering and the Built Environment, South Africa Clinton O. Aigbavboa --- Sustainable Human Settlement and Construction Research Centre, Faculty of Engineering and the Built Environment, South AfricaAttaining the goal of sustainability in the construction industry is a demanding task that comes with numerous challenges and complexities. To overcome these, biomimicry, as the study and emulation of nature’s features, processes and systems for solving diverse human issues... -
Design, construction and mathematical modelling of the performance of a biogas digester for a family in the Eastern Cape province, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Patrick Mukumba --- Department of Physics, South Africa Golden Makaka --- Department of Physics, South Africa Sampson Mamphweli --- Department of Physics, South Africa Peace-maker Masukume --- Department of Physics, South AfricaCurrently, South Africa is experiencing electricity blackouts as result of an energy shortage. Biogas can be a solution to South Africa’s energy needs, especially in the rural areas of the Eastern Cape province that have plenty of biogas substrates from... -
Constructions of sexuality and HIV risk among young people in Venda, South Africa: implications for HIV prevention
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Veronica Sivhabu --- Department of Psychology, South Africa Maretha Visser --- Department of Psychology, South AfricaThe study explored constructions of sexuality among young people of Venda in Limpopo, South Africa, and cultural practices that can be used to develop context-specific HIV prevention programmes. HIV prevention can be promoted by including some cultural practices in prevention... -
A comparative analysis of risk measures: A portfolio optimisation approach
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Evan Gilbert --- University of Stellenbosch Business School, South Africa Luke Meiklejohn --- Department of Actuarial Science, South AfricaInvestment portfolios are typically created to minimise the level of risk for a required level of return. This paper highlights the importance of the choice of risk metric in this process. The theoretical nature of volatility as a risk measure... -
Social networks, gender and HIV within marriages in Kenya
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Roseanne Njiru --- Department of Sociology and Social Work, KenyaGender inequalities drive the HIV risk within marriages in Kenya, yet strategies to combat the spread of HIV are limited by their emphasis on the individual or dyadic relationship rather than the wider social-cultural relations that shape gender relations within... -
Comparative assessment of construction cost overruns: A case study of regional distribution in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: George Harrison Coffie --- Faculty of Engineering and the Built Environment, Department of Construction Management and Quantity Surveying, University of Johannesburg, 37 Nind Street, Doornfontein, Johannesburg, 2094, South Africa Clinton Ohis Aigbavboa --- Faculty of Engineering and the Built Environment, Department of Construction Management and Quantity Surveying, University of Johannesburg, 37 Nind Street, Doornfontein, Johannesburg, 2094, South AfricaThis study examines the magnitude of variance between the initial contract award cost and actual completion cost of building construction projects (educational related) from Ghana that were completed between 2011 and 2016. The findings brought differences in the actual completion... -
Storytelling: Career identities of South African high school learners
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sharonrose Sefora --- Institute for Open and Distance Learning, South AfricaThis study explored the career identities of adolescents from their life narratives. Participants were adolescent learners attending a South African high school. They shared their narratives on childhood backgrounds, the sense of self, future aspirations, inspiration of dreams, and culture/beliefs/values... -
Critical success factors militating against competitive advantage of indigenous construction firms in developing countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Matthew Kwaw Somiah --- Department of Civil Engineering, South Africa Clinton Ohis Aigbavboa --- Department of construction and management and quantity surveying, South Africa Wellington Didibhuku Thwala --- Department of construction and management and quantity surveying, South AfricaThough a plethora of studies has suggested indigenous construction firms in developing countries are competitively disadvantaged and risk being marginalized in the competition posed by their foreign counterparts, little is known of studies that empirically investigate the critical success factors... -
An investigation of the barriers to the uptake of local materials in Africa: A literature review approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwaseun S. Dosumu --- , South Africa Clinton Aigbavboa --- , South AfricaThe activities of the construction industry require that alternative construction materials be used for construction projects, especially in developing countries like those in Africa. The conventional construction materials are no longer sustainable because they have caused devastating environmental damage and... -
Challenges in developing the Ethiopian construction industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Desalegn Girma Mengistu --- , India Gangadhar Mahesh --- , IndiaTo ensure continual improvement in the construction industry’s performance, its challenges must be identified so that integrated solutions that suit the context can be provided. The Ethiopian construction industry, like that in most developing countries, faces challenges that impede its... -
On a collision course? The large diversity of birds killed by wind turbines in South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: V Perold --- , South Africa S Ralston-Paton --- , South Africa P Ryan --- , South AfricaWind energy is a clean, renewable alternative to fossil fuel-derived energy sources, but many birds are at risk from collisions with wind turbines. We summarise the diversity of birds killed by turbine collisions at 20 wind energy facilities (WEFs) across... -
Estimating above-ground biomass of individual trees with terrestrial laser scanner and 3D quantitative structure modelling
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Tasiyiwa P Muumbe --- , Zimbabwe Paradzayi Tagwireyi --- , Zimbabwe Pride Mafuratidze --- , Zimbabwe Yousif Hussin --- , The Netherlands Louise van Leeuwen --- , The NetherlandsThis study explored the feasibility of using the terrestrial laser scanner (TLS) and quantitative structure modelling (QSM) to estimate the above-ground biomass (AGB) of individual trees in the tropical rainforest using data from the Ayer Hitam Forest Reserve, Malaysia. We... -
Evaluating the influencing factors responsible for construction contractors’ opportunism in a developing economy
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Matthew Ikuabe --- , South Africa Ayodeji Oke --- , South Africa Clinton Aigbavboa --- , South AfricaConstruction is a very competitive business which often experiences situations in which contractors deploy various schemes to rake in financial proceeds unduly, particularly when the risks encountered do not turn out as favourably as envisaged at inception. This exposes the... -
Validating elements of competitive intelligence for competitive advantage of construction firms in Ghana: A Delphi study
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Matthew Kwaw Somiah --- , South Africa Clinton Ohis Aigbavboa --- , South Africa Wellington Didibhuku Thwala --- , South AfricaThe aim of this study was to ascertain whether the elements of competitive intelligence (CI) found in other countries that impact competitive advantage are relevant to the Ghanaian construction industry (GCI). This Delphi study revealed 11 CI elements that impact... -
Examining the dominant models and theories of international staffing policies and practices through the lenses of the African context and Chinese multinational construction enterprises in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Aminu Mamman --- , Qian Wen --- ,International staffing policies and practices of Chinese enterprises in Africa have given rise to a number of observations, critical comments, empirical support and rebuttals. One of the areas of research and critique has been the implications of the staffing policies... -
An empirical study on challenges to the adoption of the Internet of Things in the Nigerian construction industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ayodeji Emmanuel Oke --- , Nigeria Victor Adetunji Arowoiya --- , Nigeria Olumide Temitope Akomolafe --- , NigeriaInternet of Things is a model in which computing and networking abilities are inserted into any sort of possible object. These abilities are utilized to inquire about the condition of the object and to change its state if feasible. This... -
How do institutionalized supplier development initiatives affect knowledge transfer and operational performance? Evidence from SME construction companies in Zambia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Shem Sikombe --- , South Africa Maxwell Phiri --- , South AfricaThe purpose of the study is, first, to examine how, and which institutionalized supplier development initiatives are associated with knowledge transfer, and, second, to investigate the mediating role of knowledge transfer between institutionalized supplier development and operational performance. Data were... -
An empirical study on the benefits of augmented reality technology (ART): A Nigerian construction industry context
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ayodeji Emmanuel Oke --- , Nigeria Victor Adetunji Arowoiya --- , Nigeria Damilola Ekundayo --- , UKAugmented reality (AR) is the combination of real and computer-based images and scenes to bring about a unified and improved view of the world. This study assesses the benefits of augmented reality technology (ART) to the construction industry so that... -
The social construction of identity in HIV/AIDS home-based care volunteers in rural KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Thirusha Naidu [d128e18] Yvonne Sliep Wenche DageidHome-based care volunteer (HBCV) identity and how it is shaped was the main focus of the study. Fifteen HBCVs were interviewed about their work and personal life stories and then interviewed reflectively using a narrative interviewing style. Specific attention was... -
A roadmap for present focus and future trends of blockchain technology in the built environment
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Opeoluwa Akinradewo --- University of Johannesburg, South Africa Clinton Aigbavboa --- University of Johannesburg, South Africa Ayodeji Oke --- University of Johannesburg, South Africa David Edwards --- University of Johannesburg, South AfricaBlockchain technology has gained attention across the globe within the last 10 years and has taken centre stage in the financial technology sector. Even though innovation that applies to the construction industry is sometimes different from what is obtainable in... -
Leveraging defence into offence: Enhancing absolute and risk-adjusted equity returns with tail risk management overlays
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Bruno Schwalbach --- University of the Witwatersrand, South Africa Christo Auret --- University of the Witwatersrand, South AfricaResearch has shown that tail risk hedging using explicit option purchases and trend-following effectively mitigate equity tail risk. This paper demonstrates that these defensive qualities can be leveraged into offence: overlaying a two-pronged tail risk management strategy that employs both... -
Sector exposures in factor portfolios: Why neutralise when you can optimise?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Andrew Paskaramoorthy --- University of Cape Town, South Africa Emlyn Flint --- University of Cape Town, South AfricaManaging sector risk within factor portfolios has traditionally been viewed as a binary decision problem: to neutralise sector risk or not. Challenging this view, we introduce a novel conceptual framework that allows a continuum of choices, thus reframing the problem... -
Informal structures in knowledge and the effectiveness of the transfer process among construction workers in Dar es Salaam, Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Justine Mselle --- Department of Land Management and Valuation, Ardhi University, Tanzania Samwel Alananga --- Department of Land Management and Valuation, Ardhi University, Tanzania Sarah Phoya --- Department of Building Economics, Ardhi University, Tanzania Harriet Eliufoo --- Department of Building Economics, Ardhi University, TanzaniaThe combination of both Structured Knowledge Transfer (SKT) and Unstructured Knowledge Transfer (UKT) processes is important for Knowledge Transfer Effectiveness (KTE) in construction workplace practices. However, the extant literature suggests that there is a high level of KTE in informal... -
Role of the stakeholders and regulatory instruments in technology and innovation development in Ethiopian construction industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Desalegn Girma Mengistu --- Hawassa University, Institute of Technology, Ethiopia Bereket Amare Sida --- Hawassa University, Institute of Technology, Ethiopia Tariku Nigussie Keneni --- Hawassa University, Institute of Technology, EthiopiaThe purpose of this study is to assess the role of stakeholders and the applicable regulatory instruments in ensuring technology and innovation development (TID) in Ethiopian construction industry. A structured questionnaire was developed to assess the engagement level of major... -
Failure factors of building construction projects in Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hizkiel Haliso Abate --- College of Engineering and Technology, Wolaita Sodo University, Ethiopia Desalegn Girma Mengistu --- Institute of Technology, Hawassa University, Ethiopia Tesfahun Asres Abera --- Arba Minch Institute of Technology, Arba Minch University, EthiopiaConstruction projects encounter considerable failure, and the case is worse in developing countries. Improving this situation needs an understanding of the failure factors; hence, this study is aimed at identifying critical failure factors of building construction projects in the Ethiopian... -
Assessment of regenerative hospitality
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Jannah Kreb --- Stenden University of Applied Sciences, The Netherlands Wichard Zwaal --- Stenden University of Applied Sciences, The NetherlandsThis article addresses the lack of practical tools for assessing regenerative hospitality in hotels. The study provides a systematic approach to developing a practical tool to assess and promote regenerative practices in the hospitality industry. The literature review identified seven... -
Serpulid diversity of coralligenous build-ups in the southwestern Ionian Sea
Item type: Journal Article • Journal: African Zoology • Authors: Rossana Sanfilippo --- University of Catania, Italy Gemma Donato --- University of Catania, Italy Francesco Sciuto --- University of Catania, Italy Adriano Guido --- University of Calabria, Italy Mara Cipriani --- University of Calabria, Italy Valentina Alice Bracchi --- University of Milano-Bicocca, Italy Alfio Viola --- University of Catania, Italy Daniela Basso --- Consorzio Nazionale Interuniversitario per le Scienze del Mare (CoNISMa), Italy Antonietta Rosso --- University of Catania, ItalyCoralligenous build-ups in the Ionian Sea off southeastern Sicily, Italy, first discovered about 20 years ago, were recently studied as part of the Italian FISR project ‘CresciBluReef’. Coralligenous build-ups are a priority habitat in the Mediterranean Sea, yet their origin... -
Development of electronic procurement with applicability test for the construction sector of Central Ethiopia Regional State
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hanna Moges Dereje --- Wachemo University, Ethiopia Getnet Assefa Habete --- Wachemo University, EthiopiaIn the era of digitalization, electronic procurement is playing a major role in enhancing the productivity of organizations in the construction sector. Unfortunately, this is not as evident in Ethiopia, and the situation in regional areas is aggravated by distinct... -
Enhancing global equity returns with trend-following and tail risk hedging overlays
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Bruno Schwalbach --- University of the Witwatersrand Johannesburg, South Africa Christo Auret --- University of the Witwatersrand Johannesburg, South AfricaThis paper demonstrates that overlaying a combination of trend-following and tail risk hedging strategies onto a global equity portfolio significantly enhances performance. These strategies are complementary. Tail risk hedging mitigates equity risk effectively during sudden market crashes, while trend-following supports...
