Of mice and men Compare/Contrast ECR—How to Organize Your EssayWriting a compare/contrast ECR is similar to writing a compare/contrast SCR. The main difference is that it’s longer, and therefore more in-depth. This essentially means that you need to come up with more support for your reasoning. An ECR should be at least five paragraphs, and each paragraph should have at least four sentences. This is a good guide for organizing your essay.