The first paragraph in your psychology essay is quite important. As always, the first sentence with be your thesis statement, and will show the reader what to expect from your work. In the rest of your introduction, an idea to get the reader’s attention and a sense of urgency in the topic is to include facts and figures about the topic. If you are writing about the psychology behind obesity, mentioning the number of obese people in a certain area, country or social demographic will give the reader a point of interest. Also, writing a few facts about the key topic, such as depression or schizophrenia, will give the reader some background.