Brainstorm. Gather as many good and bad ideas, suggestions, examples, sentences, false starts, etc. as you can. Perhaps some friends can join in. Jot down everything that comes to mind, including material you are sure you will throw out. Be ready to keep adding to the list at odd moments as ideas continue to come to mind.
Talk to your audience, or pretend that you are being interviewed by someone — or by several ...view middle of the document...
What questions would the other person ask? You might also try to teach the subject to a group or class.
See if you can find a fresh analogy that opens up a new set of ideas. Build your analogy by using the word like. For example, if you are writing about violence on television, is that violence like clowns fighting in a carnival act (that is, we know that no one is really getting hurt)?
Take a rest and let it all percolate.
Summarize your whole idea.
Tell it to someone in three or four sentences.
Diagram your major points somehow.
Make a tree, outline, or whatever helps you to see a schematic representation of what you have. You may discover the need for more material in some places. Write a first draft.
Then, if possible, put it away. Later, read it aloud or to yourself as if you were someone else. Watch especially for the need to clarify or add more information.
You may find yourself jumping back and forth among these various strategies.
You may find that one works better than another. You may find yourself trying several strategies at once. If so, then you are probably doing something right.