Would you like to know the most difficult and least effective way of writing a 5 paragraph essay? Start with the intro, then write the body paragraphs, and finish with the conclusion. Seems like a "logical" way to write, but this method asks you to introduce your argument before you've even figured out what you'd like to say.
Most of us use the "logical" way to compose a paragraph: begin with a topic sentence and/or transition, then provide support for the topic sentence. Though straightforward, this approach often leads to a weak paragraph, because it does not force the writer to focus on STRONG SUPPORT. A more effective way to write a paragraph is in this order, assembling afterward according to the ASSEMBLING section below: