Browsing by Author "Muzari, T."

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    Computer Integrated Manufacturing Sub-Systems in Technical and Vocational Education and Training: A Bewilderment for Stakeholders in Polytechnics in Zimbabwe
    (Indiana Journal of Humanities and Social Sciences, 2022-03-31) Muzari, T.; Chasokela, D.; Sithole, A.
    The embracing Computer Integrated Manufacturing (CIM) sub-systems are indispensable for sustainable development of entrepreneurship skills of students in Technical and Vocational Education and Training (TVET). There seems to be a dearth of requisite skills in Polytechnic students in Masvingo Province to measure up to the expectations of industry in this technological era. A case study of a polytechnic college was carried out to assess the barriers that militate against students’ acquisition of full training in accredited TVET programmes. The study employed the qualitative approach which focuses on the interpretive paradigm. Five students, five lecturers, four college administrators and three captains of industry were purposively sampled to participate in semi-structured face to face interviews and participant observations. Results revealed that there are resource constrains and physical infrastructure inadequacy as well as mismatch between industry and training institution in the provision of indispensable CIM software packages. The results also showed that not every lecturer is capable of using CIM sub-systems during teaching and learning besides having been staff-developed. The study recommended that TVET lectures be extensively condensed on the acceptance and use of CIM technology so that they become capable of using such technologies during teaching and learning taking cognisance of the 21st Century industry expectations. There is need for the college through both government agencies and non-governmental organisations to initiate and mobilise resources to sufficiently equip TVET colleges with technological devices and indispensable CIM software packages. The training institution is recommended to network for collaboration and partnerships as well starting innovation hubs inform of campus companies which would produce the same services that the industry is providing.
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    Integrating Child Art as a Pedagogical Strategy for Teaching Science, Technology, Engineering and Mathematics at Early Childhood Development Level in Bulawayo Central District, Zimbabwe
    (2023) Manokore, K.; Sibanda, L.; Shava, G.; Mangena, A.; Muzari, T.; Sibanda, Z.; Mkwelie, N.
    As knowledge regarding human development and learning continues evolving due to the global influences it has created an undeniable opportunity in researching on contemporary educational practice. Science, Technology, Engineering and Mathematics (STEM) is influencing educational practice from basic to tertiary education. This study acknowledges that teachers are essential and direct agents to supporting early STEM learning. Thus, this study is predominately a qualitative research approach with an interpretive epistemological and constructivist ontological perspective. Data was collected through semi-structured interviews from ten purposively sampled Early Childhood Development (ECD) teacher participants and formal analysis of 30 child art production (visual analysis of artefacts). The study affirmed that, art practice at ECD is a compatible strategy for early STEMlearning. It was found that ECD learners’ attitudes are receptive of art practice as a constructivist approach. The results revealed that teachers used learner development checklists and child art as a tool to measure learner development and progress in STEM. The findings of the study established that teachers and learners encountered challenges such as limited teaching and learning resources, lack of expertise among some teachers, parental interference and content overload. Despite the indicated challenges, the study concluded that the integration of child art as a pedagogical strategy enhanced imparting of STEM skills among learners at ECD level. The study recommended that the Ministry of Primary and Secondary Education should capacitate ECD teachers through professional development programmes that focus on ECD STEM learning and teaching.
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    Intelligent Condition Monitoring of a Ball Roller Bearing
    (Indiana Journal of Humanities and Social Sciences, 2022-04-30) Chasokela, D.; Muzari, T.; Tshuma, L.S.
    A bearing itself is one of the essential components that allow constrained relative motion between two or more parts, typically motion or linear movement. It is cylindrical in shape and contains small metal balls and has caused various problems in machineries. Common roller bearings use cylinders of slightly greater length than diameter. Roller bearings are therefore the earliest known type of rolling element bearing. Maintenance of rotary machinery is very essential in all walks of different industries and recently has attracted great attention. Methods of detecting and diagnosing the defective rolling element bearing. Numerous methods have been developed based on intelligent condition monitoring and in this case artificial neural networks, fuzzy expert system, condition based reasoning, vibration measurements, temperature measurements, shock pulse method have been applied and measured. Acceleration sensor was applied on a roller bearing with a charge amplifier to measure acoustic emissions. Analogue-Digital converter was used to produce signal pre-processing which lead to feature extraction. Time and frequency domains were used to show signals change over time and analysis of mathematical functions of signals respectively. Artificial Neural Networks and pattern recognition identifies defects. The computer uses mathematical laboratory software (MATLAB) for command plots of inputs and output signals and indicates a normal or a failing bearing..
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    Qualitative Research Paradigm, a Key Research Design for Educational Researchers, Processes and Procedures: A Theoretical Overview
    (Indiana Journal of Humanities and Social Sciences, 2022-01-28) Muzari, T.; Shava, G.N.; Shonhiwa, S.
    Social science researchers use qualitative research for in-depth understanding of life experiences with reference to social and cultural depositions. Qualitative research is principally anchored on three theoretical frameworks namely phenomenology, hermeneutics and ethnography. The characteristics of qualitative research are humanistic, naturalistic and holistic in dynamic social realities. On methodology, the qualitative approach is found in the interpretive paradigm, with a case study as the research design. The data generating methods are interviews, observations and document analysis. For ethical considerations, issues of anonymity, confidentiality, human dignity, consent and privacy are of paramount importance for avoidance of psychological and physical human harm. The data analysis requires qualitative data management through content and thematic analysis. In pledging trustworthiness the approach uses prolonged engagement, member checking, peer review and triangulation .The strength of qualitative research is its ability to probe inner humanistic issues whereas the limitation is that its findings cannot be generalized since the study happens within closed parameters.