A dissertation is a long research paper that students at the graduate or postgraduate level write as a requirement for their degree. It is an extended piece of academic writing that requires extensive research and original analysis. Dissertations can be written in a variety of fields, such as science, social science, humanities, and education. The aim of a dissertation is to contribute to the existing knowledge of a particular field by providing new insights, ideas, and solutions to problems. The process of writing a dissertation usually involves selecting a research topic, conducting literature review, formulating research questions, collecting data, analyzing data, and presenting findings.