The Internet Archive has archived 10 billion pages of the Open Web--over terabytes of information. If you challenge assumptions, then you must explain why they do not hold up. As you will see in Figure 1 at right, there are three stages to be considered as you write from general to the specific concerns of the phenomenon.
But not everyone is so dependable. A simple way to do this is by applying the 5Ws and 1H technical writing approach. When we're "just talking," we don't have to have a "thesis" or main idea. Richard Nordquist is a freelance writer and former professor of English and Rhetoric who wrote college-level Grammar and Composition textbooks.
It is during the conceptualization stage that you attempt to explain the phenomenon by presenting your hypothesis — your thesis or main argument.
Corwin Press, "Clearly, 'America the Beautiful' deserves to be our national anthem. The crab will be furious, snapping its claws and bubbling at the mouth. You will not miss important details using that method as you address the What, When, Where, Who, Why, and How questions.
When you use induction in your paper, you will state your thesis which is actually the conclusion you have come to after looking at all the facts and then support your thesis with the facts.
Drop your lines overboard, but not before you have tied them securely to the boat rail.