Study Skills Hack created by 301 Academic Skills Centre.
Nearly all introductions perform three functions:
Hook readers and convince them to take the time to read the essay
Giving background information may be necessary to understand the article
State the information/argument the reader will find in the essay, and sometimes how it will be organised
The end of the introduction contains a mission statement. This is a sentence that identifies the purpose of the paper or previews its main ideas. It performs several functions:
Tests your ideas by distilling them into one or two sentences