An abstract is a brief summary of your dissertation. It should be written in a concise, clear and concise manner. It should include the purpose of your dissertation, the methods used to carry out the research, the main findings, and the conclusion.

The abstract should be written in the past tense and should not exceed 250 words. The abstract should be self-contained and should not contain any references or citations.

Start the abstract by introducing the research topic, the purpose of the research, and the methods used. Then, provide a brief overview of the results of the research and the conclusions drawn from them. Finally, provide a brief summary of the implications of the research.

When writing the abstract, make sure to use language that is easy to understand for the reader. Avoid technical jargon and acronyms. Also, avoid using the first person when writing the abstract.

Finally, proofread the abstract carefully for errors in grammar, punctuation, and spelling. This will help ensure that the abstract is clear and concise.