OSAT Speech/Drama/Debate (116) study materials
OSAT Speech/Drama/Debate (116) study resources

OSAT Speech/Drama/Debate (116) key terms

OSAT Speech/Drama/Debate (116) · Get comfortable with the vocabulary.

Rhetorical triangle

A model describing persuasion as the interaction of three elements: the speaker or writer (ethos), the audience's emotional state (pathos), and the logic of the message itself (logos).

Related: Ethos, Pathos, Logos
Ethos

The credibility, character, and goodwill a speaker projects so the audience trusts the message. Built through expertise, fairness, and consistent ethical choices rather than assertion alone.

Related: Rhetorical triangle, Logos
Pathos

An appeal to the audience's emotions and values, such as sympathy, fear, pride, or justice. Effective pathos is grounded in the audience's real concerns rather than mere sentimentality.

Related: Rhetorical triangle, Ethos
Logos

An appeal to reason through evidence, statistics, examples, and logical structure. It answers the question of why a claim should be accepted as true.

Related: Rhetorical triangle, Claim
Claim

A statement the speaker asks the audience to accept, often framed as a proposition of fact, value, or policy. It is the thesis the rest of the speech supports.

Related: Warrant, Logos
Warrant

The underlying assumption that links evidence to a claim, explaining why the data support the conclusion. Audiences often accept or reject an argument at the warrant level.

Related: Claim, Evidence
Evidence

Material such as statistics, testimony, examples, or documented cases used to support a claim. Strong evidence is relevant, recent, credible, and clearly tied to the point.

Related: Warrant, Testimony
Testimony

Evidence drawn from the words or findings of other people, such as expert opinion, eyewitness accounts, or quotations. Its value depends on the source's credibility and qualifications.

Related: Evidence, Ethos
Refutation

The part of an argument that acknowledges and answers opposing views. It strengthens credibility by showing the speaker has considered counterarguments and can respond to them.

Related: Rebuttal, Claim
Rebuttal

A direct response that challenges an opponent's argument by attacking its evidence, reasoning, or assumptions. In debate it is a timed speech or exchange designed to weaken the other side.

Related: Refutation, Cross-examination
Fallacy

A flaw in reasoning that makes an argument unreliable even when it sounds persuasive. Common examples include attacking the person instead of the issue and assuming what one is trying to prove.

Related: Ad hominem, Straw man, Slippery slope
Ad hominem

A fallacy that attacks the character, motives, or circumstances of the person making a claim instead of addressing the claim itself. It substitutes insult for evidence.

Related: Fallacy, Straw man
Straw man

A fallacy that misrepresents an opponent's position as a weaker or more extreme version, then refutes that distorted version instead of the real argument.

Related: Fallacy, Refutation
Slippery slope

A fallacy claiming that one small step will inevitably lead to a chain of extreme consequences, without justifying why each link in the chain must occur.

Related: Fallacy, Hasty generalization
Hasty generalization

A fallacy that draws a broad conclusion from too few or unrepresentative examples. A single anecdote rarely justifies a sweeping claim about a whole group.

Related: Fallacy, Slippery slope
False dilemma

A fallacy that presents only two options when more exist, pressuring the audience to choose between extremes. Also called either/or reasoning.

Related: Fallacy, Straw man
Proposition of policy

A debate resolution or speech claim urging that a specific action should or should not be taken, often phrased with 'should.' It requires proving both a problem and a workable solution.

Related: Claim, Stock issues
Stock issues

The standard burdens a policy advocate must meet: showing significant harm, a flawed cause, a workable plan, and net benefits over the status quo. Affirmative teams build cases around these issues.

Related: Proposition of policy, Burden of proof
Burden of proof

The obligation of the side advocating change to provide sufficient reasons and evidence for its position. The opposing side generally carries a burden of rejoinder to answer those arguments.

Related: Stock issues, Prima facie case
Prima facie case

A case that is sufficient on its face to justify a decision for the advocate unless the opponent responds. If the affirmative fails to establish one, the negative need not argue further.

Related: Burden of proof, Stock issues
Cross-examination

A period in debate when one speaker questions an opponent to clarify positions, expose weaknesses, and build material for later arguments. Effective questions are short and controlled.

Related: Rebuttal, Flowing
Flowing

The note-taking system debaters use to track arguments, responses, and evidence across speeches. Good flowing shows which arguments remain unanswered and where to extend or drop issues.

Related: Cross-examination, Rebuttal
Topicality

The issue of whether a debate case actually falls within the resolution's terms. A team may argue that an opponent's plan is outside the topic and therefore should not be evaluated.

Related: Burden of proof, Stock issues
Extemporaneous speaking

A prepared but not memorized style of delivery in which the speaker uses brief notes and speaks conversationally. It balances structure and spontaneity and is common in competitive forensics.

Related: Impromptu speaking, Delivery
Impromptu speaking

A speech delivered with little or no preparation time, often from a prompt or quotation. Speakers rely on rapid organization and a few supporting examples rather than extensive research.

Related: Extemporaneous speaking, Delivery
Delivery

The physical and vocal presentation of a speech, including posture, gesture, eye contact, volume, rate, and articulation. Delivery should serve clarity and connection with the audience.

Related: Vocal variety, Articulation
Vocal variety

Variation in pitch, rate, volume, and pause that keeps speech interesting and emphasizes meaning. Monotone delivery undermines even well-written content.

Related: Delivery, Articulation
Articulation

The clarity with which individual speech sounds are produced. Poor articulation, such as slurring or dropping word endings, reduces intelligibility for an audience.

Related: Delivery, Vocal variety
Audience analysis

Research and reasoning about an audience's demographics, knowledge, attitudes, and expectations in order to tailor a message. It shapes topic choice, evidence, and tone.

Related: Rhetorical triangle, Ethos
Tragic flaw

A character trait or error in judgment that contributes to a protagonist's downfall in tragedy, such as excessive pride. It helps explain the character's choices within the plot.

Related: Catharsis, Soliloquy
Catharsis

The emotional release or purification an audience experiences through witnessing tragic events. Aristotle described it as a central effect of tragedy on spectators.

Related: Tragic flaw, Soliloquy
Soliloquy

A speech in which a character alone on stage reveals inner thoughts to the audience rather than to other characters. It provides direct access to motivation and conflict.

Related: Monologue, Aside
Monologue

An extended speech delivered by one character, which may be addressed to other characters or to the audience. It differs from dialogue because one voice carries the passage.

Related: Soliloquy, Aside
Aside

A brief remark a character makes to the audience that other characters on stage are not meant to hear. It creates dramatic irony or shares confidential information.

Related: Soliloquy, Dramatic irony
Dramatic irony

A situation in which the audience knows something important that a character does not, creating tension or humor. It depends on the gap between audience and character knowledge.

Related: Aside, Verbal irony
Verbal irony

A contrast between what a speaker says and what is actually meant, often achieved through understatement or sarcasm. Tone and context signal the intended meaning.

Related: Dramatic irony, Soliloquy
Blocking

The planned arrangement and movement of actors on stage, including entrances, exits, and stage pictures. Good blocking clarifies relationships, focus, and the story's meaning.

Related: Stage directions, Upstaging
Stage directions

Instructions in a script describing movement, setting, lighting, sound, and acting choices, usually printed in italics or brackets. They guide production but allow interpretive freedom.

Related: Blocking, Upstaging
Upstaging

An actor's movement or positioning that draws focus away from another performer, often by moving upstage or turning away. Deliberate upstaging disrupts ensemble work.

Related: Blocking, Stage directions