Which type of speech can be classified by

(a) a belief in whether something is true or not,

(b) a belief in whether someone or something has worth or not, or

(c) a belief in whether a course of action should be followed or not

a) a belief in whether something is true or not. Type of speech: Factual Persuasive speech.

b) a belief in whether someone or something has worth or not. Type of speech: Value Persuasive speech.

(c) a belief in whether a course of action should be followed or not. Type of speech: Policy Persuasive speech.

Explanation:

These three type of speeches belong to the cathegory of Persuasive speeches, and they differ in the argument they use.

Factual persuasive speech: gives arguments about facts, weather something actually happened or not and if there is evidence to sustian that.

Value persuasive speech: gives a moral emphasis, this means it trades to persuade more on values an people's believes.

Policy Persuasive speech: the arguments used in this speech, have to do with giving the audience the positive aspects and benefits of accepting a certain proposal. This speech is used by for instance politics.