It is important to include definition of terms in your thesis or dissertation in order to understand the key terms being used in the study. Terms defined should be arranged in alphabetical order and acronyms should always spell out fully most specially if it is used for the first time and not commonly known.

Why do we need to define terms used in a research study?

The “Definitions of Terms” ensures that your readers will understand the components of your study in the way that you will be presenting them, because often your readers may have their own understanding of the terms, or not be familiar with them at all.

Should you define terms in a research paper?

Definitions of key concepts are important to the understanding of your paper. Hence, it is preferable to have them as a separate section under the title "Definition of terms." This section should be be placed towards the beginning of the paper, before you start with the major content.