A thesis statement is one of the most important elements of any successful essay. A thesis statement controls the subject matter of the essay and states something significant to the reader. It is the one statement that summarizes the main point of the essay and states why the essay is important and worth reading. An essay that lacks a strong thesis will be inadequate and often lacking in focus.
The following are qualities of a well-crafted thesis statement:
"In order to succeed in the classroom, college students need to utilize the resources available to them throughout their academic careers." Notice how this thesis statement includes a specific audience (college students), a specific purpose (success in the classroom) and the specific way this can be accomplished (utilizing available resources).
"The United States government needs to implement a nationalized healthcare system to lower the cost of healthcare and improve the overall health of all citizens." Notice how, much like the above example, this thesis statement also has a specific purpose (lowering the cost of healthcare and improving health) and a specific way to do so (implementing national healthcare). What this thesis does not address, because of the nature of the essay and topic, is a specific audience. A thesis statement for an argument essay does not always address a specific audience since it is written to broader audience with the attempt to persuade others to a specific viewpoint.
Just as the contents of the essay may change during the writing process, so, too, may the thesis statement. It is important to create a thesis statement before writing the paper, but this type of thesis is generally referred to as a working thesis and may change along with the contents of the essay. It is important that a writer uses the thesis to direct the creation of the essay, but it is also important that the writer is open to changing the thesis as necessary.
A reader should be able to easily identify the thesis in any essay. If someone reads your essay and cannot identify where the thesis statement is located, take this as a sign that the thesis is not clear and/or is not as specific or strong as it can be. Make sure that the thesis stands out and can be easily interpreted.
For more information on writing an effective thesis statement, please see the thesis statement exercise.