Management of quality assurance programmes: experiences of radiographers responsible for quality assurance programmes in digital diagnostic imaging departments of public hospitals
- Authors: Willemse, Marilyn Margot
- Date: 2019
- Subjects: Quality assurance
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/40223 , vital:35987
- Description: Quality assurance (QA) in digital diagnostic imaging departments (DDIDs) is of utmost importance to ensure the production of good quality images. Radiographers who are given the responsibility to manage the QA programmes in their departments are faced with challenges that hinder the execution of the required quality control tests. The main objective of this study was to explore and describe the experiences of diagnostic radiographers who are responsible for the management of QA programmes in DDIDs of public hospitals in the Nelson Mandela Bay Health District (NMBHD). A qualitative, explorative, descriptive, and contextual design was used in this study. In-depth interviews with probing questions were done to collect data. The target population encompassed 16 quality assurance officers, and data collection was continued until saturation was reached at the eleventh interview (n=11). Trustworthiness of the data collection process was ensured by applying Guba and Lincoln’s criteria for qualitative research which include the following: credibility, transferability, dependability, and confirmability. Required ethical approval was obtained from the various institutions including the Health departments. Electronic informed consent was obtained from the gatekeepers in the work environment of the participants. The researcher conducted the interviews. The ethical principles, as stated in the Belmont report, were observed throughout the study. These principles are respect for persons, beneficence and the principle of justice (The National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research, 1979:13). Two themes emerged from the data collected, namely: Participants indicated that management support is required to ensure the success of QA programme. Participants provided suggestions to optimise the QA programme. The experiences of the participants were described by means of quotations from the interviews and a literature control verified the participants’ experiences.
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- Date Issued: 2019
Factors that influence warranty costs at Volkswagen South Africa
- Authors: Blignaut, Bevan Hyron
- Date: 2013
- Subjects: Warranty , Automobile industry and trade -- South Africa , Total quality management , Quality assurance
- Language: English
- Type: Thesis , Masters , MTech
- Identifier: vital:8944 , http://hdl.handle.net/10948/d1013088
- Description: Driving a vehicle while it is within the warranty period provide customers with assurance that should a failure occur on the vehicle, there would be no financial obligation for the customer to repair the vehicle. For the manufacturer, it is a huge financial obligation to repair or replace components that fail on the vehicle. The research conducted in this study explores and identifies the main reasons for high warranty costs as well as the reasons that do not influence high warranty costs at VWSA. The purpose of this research is to provide VWSA with a potential starting point to reduce warranty costs and increase profits. The study revealed that the main cause of high warranty costs at VWSA was related to the quality of vehicles. By improving the quality of vehicles produced, VWSA could reduce a significant portion of the warranty costs it spends each year. With reduced warranty costs, VWSA could increase the warranty period and thereby attract more customers to purchase VW products. In a cutthroat automotive industry, this would ensure a competitive advantage over rivals; maintain longevity, increase profits and continued success.
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- Date Issued: 2013