Research methodology is the path through which researchers need to conduct their research.
It shows
the path through which these researchers formulate their problem and objective and present their
result from the data obtained during the study period. This research design and methodology chapter
also shows how the research outcome at the end will be obtained in line with meeting the objective of
the study. This chapter hence discusses the research methods that were used during the research
process. It includes the research methodology of the study from the research strategy to the result
dissemination. For emphasis, in this chapter, the author outlines the research strategy, research design,
research methodology, the study area, data sources such as primary data sources and secondary data,
population consideration and sample size determination such as questionnaires sample size
determination and workplace site exposure measurement sample determination, data collection
methods like primary data collection methods including workplace site observation data collection and
data collection through desk review, data collection through questionnaires, data obtained from experts
opinion, workplace site exposure measurement, data collection tools pretest, secondary data collection
methods, methods of data analysis used such as quantitative data analysis and qualitative data analysis,
data analysis software, the reliability and validity analysis of the quantitative data, reliability of data,
reliability analysis, validity, data quality management, inclusion criteria, ethical consideration and
dissemination of result and its utilization approaches. In order to satisfy the objectives of the study, a
qualitative and quantitative research method is apprehended in general. The study used these mixed
strategies because the data were obtained from all aspects of the data source during the study time.
Therefore, the purpose of this methodology is to satisfy the research plan and target devised by the
researcher.