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Pentachlorophenol-contaminated soil bioremediation: survival and efficacy of monoculture inoculants and enrichment of indigenous catabolic populations
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. D.K. McBain --- Department of Bioscience and Biotechnology, United Kingdom M.S. Salkinoja-Salonen --- Department of Applied Chemistry and Microbiology, Finland E. Senior --- , South Africa C.A. du Plessis --- Department of Microbiology and Biochemistry, South Africa A. Paterson --- Department of Bioscience and Biotechnology, United Kingdom I.A. Watson-Craik --- Department of Bioscience and Biotechnology, United KingdomSurvival and efficacy of monoculture inoculants of Flavobaderium sp. and Rhodococcus chlorophenolicus to bioremediate PCP-contaminated soil were examined under sterile and non-sterile conditions. Both species effected ≥ 40% catabolism in four weeks although inoculant survival was significantly higher with R... -
Coping Self-Efficacy as Mediator in the Dynamics of Psychological Well-Being in Various Contexts
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marié P. Wissing --- North-West University (Potchefstroom Campus), South Africa Itumeleng P. Khumalo --- North-West University (Potchefstroom Campus), South Africa Tertia M. Oosthuizen --- North-West University (Potchefstroom Campus), South Africa Alida Nienaber --- North-West University (Potchefstroom Campus), South Africa Annamarie Kruger --- North-West University (Potchefstroom Campus), South Africa Johan C. Potgieter --- North-West University (Potchefstroom Campus), South Africa Q. Michael Temane --- North-West University (Potchefstroom Campus), South AfricaThe aim of this study was to explore whether coping self-efficacy mediates between various distress related variables on the one hand (symptoms of stress and depression), and the degree of psycho-social well-being as measured on the upper end of the... -
The zooplankton community of Lake Abo Zaabal, a newly-formed mining lake in Cairo, Egypt
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RandaA El-Bassat WilliamD TaylorAbo Zaabal Lake, a new mining lake at the outskirts of Cairo, receives domestic sewage from a nearby village. We examined its chemical and biological properties in order to develop a plan to improve its ecosystem services. The pH ranged... -
Presence of meaning and search for meaning as mediators between spirituality and psychological well-being in a South African sample
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Itumeleng P. Khumalo --- Optentia Research Focus Area, South Africa Marié P. Wissing --- Africa Unit for Transdisciplinary Health Research, South Africa Lusilda Schutte --- Statistical Consultation Services, South AfricaSpirituality and meaning in life are important pathways to well-being. Research has conceptually and empirically linked spirituality, religiousness and meaning in life. The present study was concerned with investigating presence of meaning (MLQ-P) and search for meaning (MLQ-S) as mediators... -
Organisational and individual strengths use as predictors of engagement and productivity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Frederick W. Stander --- Optentia Research Programme, South Africa Karina Mostert --- WorkWell Research Unit, South Africa Leon T. de Beer --- WorkWell Research Unit, South AfricaThis study sought to determine whether Perceived Organisational Support for Strengths Use (POSSU) and Proactive Behaviour towards Strengths Use (PBSU) predict engagement and productivity in a sample of South African call centre operators. Participants were 218 call centre operators within... -
An analysis of the development of home exchange organisations
Item type: Journal Article • Journal: • Authors: Alexander Grit --- Stenden University, Qatar Paul Lynch --- Strathclyde University, GlasgowThis paper contributes to a better understanding of the home exchange phenomenon by considering the historical development of the home exchange intermediation processes, membership profiles and the role of the media. The Internet has enabled a more interactive process and... -
The indigenous contract as legal phenomenon
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: FP van R Whelpton --- Department of Constitutional,Drawing largely on the views of various theorists, this article seeks to discuss the indigenous contract as legal phenomenon with specific reference to underlying values and legal principles of indigenous contracts in the southern African context. It shows that indigenous... -
An analysis of the development of home exchange organisations
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Alexander Grit --- Stenden University, Qatar Paul Lynch --- Strathclyde University,This paper contributes to a better understanding of the home exchange phenomenon by considering the historical development of the home exchange intermediation processes, membership profiles and the role of the media. The Internet has enabled a more interactive process and... -
Corruption, transaction costs, and innovation in Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Laura Barasa --- School of Economics, KenyaThis paper examines the relationship between corruption, transaction costs as measured by asset specificity, and innovation in Africa. We hypothesize that in the context of developing countries in Africa, corruption is positively associated with innovation. In addition, we hypothesize that... -
Mediated mutual reciprocity in the process of African children’s social ontogenesis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Therese Mungah Shalo Tchombe --- Center for Research in Child and Family Development and Education (CRCFDE), CameroonThe paper highlights Nsamenang’s social ontogenesis theoretical stance in explaining how participatory pedagogies in socialisation impact not only development but children’s capacity to assume responsibilities for their own development. A synoptic review is presented of widely discussed challenges faced by... -
Linking empowering leadership and career calling: The mediating role of psychological need fulfilment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Leigang Zhang --- School of Teacher Education, China Tingting Jin --- Intensive Care Unit, ChinaThis study investigated whether and how empowering leadership influences employees’ career calling by exploring the mediating role of psychological need fulfilment. Participants comprised a convenience sample of 584 clinical nurses from ten public hospitals in China (female = 85.2%; age... -
Examining the mediating effect of diversity climate on the relationship between destructive leadership and employee attitudes
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sean McCallaghan --- NWU Business School, South Africa Leon T. B. Jackson --- NWU Business School, WorkWell Research Unit, South Africa Marita M Heyns --- Optentia Research Focus Area, South AfricaThe study sought to investigate the mediating effect of diversity climate on the relation between a destructive leadership style and employee attitudes of organisational commitment, job satisfaction, and intention to quit. Participants were employees from the financial, banking, retail, and... -
Mediating role of meaningful work and vocational identity on the relationship between perceived family supportive supervisor behaviour and career satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Niya Chen --- , China Leigang Zhang --- , ChinaThis study examined meaningful work and vocational identity influences on the relationship between perceived family supportive supervisor behaviour (FSSB) and career satisfaction among educators. Participants were a convenience sample of 492 public school teachers from eight secondary schools in China... -
Negative centralisation of HIV/AIDS trauma and health-related quality of life: do post-traumatic stress symptoms explain the link?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Desmond Uchechukwu Onu --- , Nigeria Steven Kator Iorfa --- , Nigeria Dorothy I Ugwu --- , NigeriaOver-integration of HIV-related trauma into the client’s memory in a negative emotional valence could be a serious health debilitating process which may result in negative post-traumatic health outcomes, affecting health-related quality of life (HRQoL) of people living with HIV (PLWH)... -
Evaluation of phytoremediation effects of chicken manure, urea and lemongrass on remediating a lead contaminated soil in Kabwe, Zambia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Yui Yoshii --- , Japan Isabell von Rein --- , USA Kabenuka Munthali --- , Zambia Mukuka Mwansa --- , Zambia Hokuto Nakata --- , Japan Shota Nakayama --- , Japan Mayumi Ishizuka --- , Japan Yoshitaka Uchida --- , JapanHigh levels of lead (Pb) in the soil is a serious issue in the city of Kabwe, Zambia. Phytoremediation is an effective approach to revive the life-supporting functions of the soils. Locally available soil amendments, such as chicken manure, can... -
Green technology for bioremediation of the eutrophication phenomenon in aquatic ecosystems: a review
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Mostafa El-Sheekh --- , Egypt Mohamed M Abdel-Daim --- , Saudi Arabia Mohamed Okba --- , Egypt Samiha Gharib --- , Egypt Asgad Soliman --- , Egypt Hala El-Kassas --- , EgyptEutrophication is a serious phenomenon that leads to vigorous algal blooms that alters the structure of ecosystems. It is caused by non-point sources of nutrients; as nitrogen and phosphorus, and point sources as wastewater effluent. Distinctive algae groups are responsible... -
Building markets between institutional discontinuities: Intermediation between formal and informal sectors in developing countries
Item type: Journal Article • Journal: Africa Journal of Management • Authors: John M. Luiz --- , UK Baldwin Guchu --- , South AfricaWe explore the role of an intermediary, Palladium, in Zimbabwe as it bridges the divide between formal and informal sectors and the process through which it connects these sectors. We conduct in-depth, qualitative interviews structured around our case study of... -
Social anxiety and problematic social network site use: The sequential mediating role of self-esteem and self-concept clarity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jing Wu --- Shaoxing University, China Xu Zhang --- Shaoxing University, China Yuan Gao --- Shaoxing University, China Qianxiu Xiao --- Shaoxing University, ChinaThis study explored the relationship between social anxiety and problematic social network sites use and the mediating role of self-esteem and self-concept clarity. A total of 811 college students (female= 58.2%; mean age= 19.18 years, SD = 1.12 years) completed... -
How perspective taking influences obesity stereotypes: The mediating effect of intergroup contact
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yunlong Wu --- Inner Mongolia Normal University, China Yuzhu Zhang --- Hulunbuir University, ChinaObesity is stigmatised and associated with adverse health, psychological, and social consequences. This study examined contact influences on the relationship between perspective taking and obesity stereotypes in young adults. The sample comprised 411 Chinese university students (female = 73.97%; mean... -
Is mindfulness associated with lower online trolling among adolescents? Mediating effects of self-esteem and depression and moderating effect of dark personality traits
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fang Li --- Sichuan Normal University, China Xu Tang --- Sichuan Normal University, China Xin Ge --- , China Mengni Yu --- Sichuan Normal University, China Siqi Wang --- Sichuan Normal University, China Biyun Wu --- Guangzhou University of Chinese Medicine, ChinaWe investigated the relationship between mindfulness and online trolling among adolescents. We also explored the mediating role of self-esteem and depression and the moderating role of dark personality traits in the relationship between mindfulness and online trolling. Chinese adolescents (n... -
Transformational leadership and financial employees’ unethical pro-organisational behaviour: A cognitive perspective
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Hu Zhengyan --- Henan University, China Enhui Cao --- Henan University, China Junzhe Zhao --- Henan University, China Minghui Wang --- Henan University, ChinaWe examined the relationship between transformational leadership and financial employees' unethical pro-organisational behaviour, accounting for organisational identity and future focus in the context of the Chinese organisational culture. Participants were 94 business leaders and 176 financial employees mainly from the... -
Career interest on calling: The chain mediating role of future work self and engaged learning
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bin Liu --- Northeast Normal University, China Chunna Hou --- Northeast Normal University, ChinaWe investigated the role of future work self and engaged learning in the relationship between career interest and career calling. Students (n = 641; female = 235; mean age = 18.96 years, SD = 1.01 years) complete the Career Interest... -
Research on the influence of fiscal policy uncertainty on corporate strategic investment – Evidence from China
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Xuejiao Yu --- Central University of Finance and Economics, China Xiaomin Cao --- Central University of Finance and Economics, China Junjian Gu --- Wuhan University of Technology, ChinaCorporations should pay attention to various policies issued by The Chinese government when making strategic investment. This paper discusses the influence of fiscal policy uncertainty on corporate strategic investment and its mechanism. The results show that the uncertainty of fiscal... -
Does parental education moderate the association between personal growth initiative, purpose in life and subjective well-being among Chinese college students?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xiaoxia Huang --- Huzhou Vocational and Technical College, China Hong Li --- Zhoukou Vocational and Technical College, China Yungui Guo --- Hunan University of Science and Technology, ChinaWe investigated the moderating effect of parental education on the relationship between personal growth initiative, purpose in life, and subjective well-being. Two-wave time-lagged data with an interval of three months were collected from 491 students (mean age = 19.58 years,... -
Academic researchers’ work stress and work engagement: Hindrance stress appraisal mediation and psychological resilience moderation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Hui Wang --- Xiangtan University, China Yan Li --- Xiangtan University, ChinaWe explored the role of hindrance stress appraisal and psychological resilience in the relationship between work stress and work engagement among academic researchers. Data were collected from academic researchers in China (n = 314; female = 48.7%; professor = 10.8%,... -
Future work self and career calling in vocational education students: Workplace learning as a mediator and mentoring as a moderator
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bin Liu --- Northeast Normal University, China Chunna Hou --- Northeast Normal University, ChinaWe explored the role of workplace learning and mentoring in the relationship between future work self and career calling among students. The nationwide sample comprised 741 Science and Engineering students from six higher vocational colleges in China (female = 46.56%;... -
Female students’ entrepreneurial leadership and education: A sequential mediation analysis of entrepreneurial knowledge and mindset
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Rajenthyran Ayavoo --- Universiti Malaya (UM), Malaysia Ponmalar N. Alagappar --- Universiti Malaya (UM), Malaysia Egena Ode --- Manchester Metropolitan University, United KingdomWomen are under-represented in business, especially in patriarchal countries like Malaysia, hence efforts to encourage female students to become entrepreneurs are needed. This study uses human capital theory to examine how entrepreneurial education affects female students’ entrepreneurial leadership, showing the...