Paragraph breaks signal shifts in ... a reader and – more importantly – it tends to contain main ideas. In this SAT practice test example, the first passage is preceded by a blurb that ...

Once you have planned your ideas for a piece of writing ... making this purpose clear. The next paragraphs use examples from real life as inspiration. The first paragraph refers more generally ...

These paragraphs lack meat – the examples, evidence, or explanations that make your point clear. Good paragraphs need at least 3-4 sentences to fully develop an idea. Consider the following ...