Possible proposed ideas to resolve the researched issue in your dissertation abstract.Mentioning those particular theories that are related to your dissertation.Brief introduction about each chapter and what it will be explaining.However, avoid sounding like you are using too many words to sound intelligent in your dissertation abstract as that shows that your dissertation lacks substance. Your dissertation abstract should be able to make sense independently without your dissertation.
Ensure that your dissertation abstract should be around 400-600 words long, depending upon the quality of how you explain your research methodology. Remember, a concise dissertation abstract is an excellent one!