Believability is a measure of your willingness to accept as true the reasons and support the writer gives in defense of a thesis. To test for believability, ask: On what basis am I being asked to...

Believability is a measure of your willingness to accept as true the reasons and support the writer gives in defense of a thesis. To test for believability, ask: On what basis am I being asked to believe this reason or support is true? If it cannot be proved true or false, how much weight does it carry?