Rhetorical: Rhetorical films organize their elements as the presentation of a persuasive argument.
Example: The Thin Blue Line, 60 Minutes
The goal is to persuade the audience to adopt an opinion about the subject matter.
It tries to make an explicit argument (though usually filled with several implicit arguments)
Address the viewer directly.
The subject will usually not be an issue of scientific truth but a matter of opinion or attitude.
If conclusions can not be made scientifically, or beyond question, the film will often appeal to emotion.
Frequently presents arguments as if they were simply observations.