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Each field has their own formatting habits, and each university/school/department their own. Most often, you number them separately so that you have: 1 Introduction 1.1. Aims of the Research 1...
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#3: Attribution notice added
Source: https://writers.stackexchange.com/a/22129 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
Each field has their own formatting habits, and each university/school/department their own. Most often, you number them separately so that you have: 1 Introduction 1.1. Aims of the Research 1.2 Theoretical Background and Primary Works ... ... 3. Aspects of Femininity in *Frankenstein* 3.1 [a title] And so on... The conclusion would be the last, before any appendixes (that's where your acronyms, bibliography, etc should be)