Structuring a Cause-and-Effect Argument

Generally speaking, a cause-and-effect argument can be structured in the following way:

  • Introduction: Establishes a context for the argument by explaining the need to examine causes or to consider effects; states the essay’s thesis

  • Evidence (first point in support of thesis): Discusses less important causes or effects

  • Evidence (second point in support of thesis): Discusses major causes or effects

  • Refutation of opposing arguments: Considers and rejects other possible causes or effects

  • Conclusion: Reinforces the argument’s main point; includes a strong concluding statement

Other organizational patterns are also possible. For example, you might decide to refute opposing arguments before you have discussed arguments in support of your thesis. You might also include a background paragraph (as the student writer whose essay begins below does). Finally, you might decide to organize your essay as a causal chain (see pp. 472473).

inline The following student essay illustrates one possible structure for a cause-and-effect argument. (Note, for example, that the refutation of opposing arguments precedes the evidence.) The student writer argues that, contrary to popular opinion, texting is not causing damage to the English language but is a creative force with the power to enrich and expand the language.


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Facts about the Measles

Image shows the journey of converting an outbreak into an almost non-existent disease, with the heading, Facts about Measles.

AN OUTBREAK

If no one has any immunity to a virus, one person who was infected could spread the virus to twelve to eighteen other people. A single infection could quickly become an epidemic.

HERD EFFECT

People who have been vaccinated remove themselves as a potential source for the virus—they are not able to give it to anyone else. This reduces the risk of infection for people who have not received vaccines. This slowing of the spread of the virus is called the herd effect.

HERD IMMUNITY

Herd immunity is the threshold needed to end an outbreak quickly. It has been discovered that this occurs when one person with a virus infects (on average) fewer than one other person. In a society where the majority of people are inoculated, the virus has nowhere to travel. Few people become infected, and so even those without the virus are often protected because they come into contact with so few potential carriers.

inlineWRITING ASSIGNMENTS: CAUSE-AND-EFFECT ARGUMENTS

  1. What could your school do to encourage students to adopt healthier lifestyles? Write an editorial for your college newspaper in the form of a cause-and-effect argument. In your editorial, take one of these two positions:

    • If the university takes steps to encourage healthier lifestyles, students will benefit greatly.

    • If the university does not take steps to encourage students to adopt healthier lifestyles, the consequences could be serious.

  2. Look at pictures of female celebrities online, and consider the likely effects of these images on teenage girls. Then, write an essay arguing for or against the charge that images such as these help to encourage poor self-esteem, risky behavior, or eating disorders. Include some of the images in your essay, and analyze the impact of their visual elements as well as the effect of the words in the accompanying articles or captions.

  3. In recent years, young children’s lives have become more and more structured. Instead of the free play that their parents enjoyed, many of today’s children are busy with scheduled sports, lessons, and play dates. Write an essay structured as a causal chain that traces the probable causes of this change as well as its likely effects on children and on their families. In your thesis statement, indicate whether you consider the effects positive or negative.