|1. Factual||1. Ideal|
|2. Descritpive||2. Prescriptive|
|3. Verifiable||3. Justifiable|
|4. True or false||4. Better or worse|
|5. You look nice today||5. You ought to fix your hair|
The first step is to get all of your facts straight and confirmed to be true (primarily through research). You are then, to some degree, done with them and can turn to the more challenging task of persuading your reader that certain normative claims are better than others -- in other works, by justifying your position through arguments using a normative ethical theory..