Good writing has certain elements that are always present. The following should be thought of as general principles to keep in mind when writing. They may seem obvious but these are also the building blocks of good papers. Good, clear thesis statement. May offer unique arguments or evidence that others missed.
Paper is well organized with few errors in sentence structure, spelling and mechanics.
Advances good arguments and tries to supply evidence or example to back up each one. Generally a good job. Clearly written with few errors. Incomplete description of the problem. Weak or unclear thesis statement.