We write to express our ideas, thoughts, and feelings. An opinion is a statement about how you feel about something, a personal belief. They cannot be proven, and other people may disagree with them.
An argument is a piece of writing states and defends an opinion. The purpose of an argument is to persuade, or convince, your audience to agree with your opinion.
An effective argument takes a clear position on a topic. You begin by stating your opinion or view in a position statement. Positions statements are known as strong position statement and weak position statement.
A strong position statement takes a definite stand on the issue. The writing is specific and clear. The weak position statement uses words such as sometimes and probably. A writer will not seem sure of his opinion.
After writing your position statement, you need to back it up with reasons that are supported by facts and details. Finally, provide a concluding statement to sum up your argument.