LOGOS
Logos is an appeal to logic
This means the use of statistics, facts and data to reinforce your argument.
Enhance persuasive speech by supplying information the is undeniable. The audience cannot avoid agreeing with you because they are FACTS
The argument becomes hard to rebut because with facts to support your argument it becomes less of an opinion and simply a statement of what is true.
ETHOS
Ethos is an appeal to authority.
This means to address the credibility of a source of information. Using specific terminology related to the topic or quoting a notable figure is a good way to appeal to authority.
By using ethos you are able to enhance your speech by establishing that those with significance in the field agree with your point, thereby showing that you are right.
Using the technical language adds the impression that you have knowledge of the topic.
PATHOS
Pathos is an appeal to emotion
This means to use specific language that stirs emotion in your audience. Figurative language techniques and anecdotes are particularly effective means of this.
Pathos can be extremely powerful when used well, however, a speech built entirely on pathos is rarely successful. Playing off your audience’s emotions will allow them to connect with you but it can also become manipulative if used too often.