Language Arts · Grade 10 · The Architecture of Argument · Term 1

Introduction to Rhetoric: Ethos

Students will analyze how speakers establish credibility and authority to persuade an audience.

• Ontario Curriculum Expectations
• CCSS.ELA-LITERACY.RI.9-10.6
• CCSS.ELA-LITERACY.SL.9-10.3

About This Topic

Rhetorical appeals form the backbone of persuasive communication, and ethos specifically focuses on the speaker's character and credibility. In the Grade 10 Ontario curriculum, students move beyond simply identifying these appeals to analyzing how they are constructed through language, tone, and shared values. This topic is essential for developing critical thinking skills, as it helps students understand why they trust certain voices over others in public discourse, from political leaders to social media influencers.

Understanding ethos also involves examining how speakers establish common ground with their audience. For Canadian students, this often means looking at how leaders use inclusive language or reference shared national values to build authority. By deconstructing the 'persona' of a writer, students learn to distinguish between genuine expertise and carefully crafted manipulation. This topic is best mastered through active learning where students must adopt different personas and attempt to win the trust of their peers in real time.

Key Questions

1. Analyze how a speaker's perceived character influences the reception of their arguments.
2. Explain ways a writer can manipulate tone to establish a specific persona.
3. Evaluate the impact on an argument when the speaker's credibility is compromised.

Learning Objectives

• Analyze how specific word choices and sentence structures contribute to a speaker's perceived credibility.
• Evaluate the effectiveness of a speaker's appeals to shared values or experiences in establishing ethos.
• Explain how a speaker's background or credentials, when presented, influence audience trust.
• Compare the ethos established by two different speakers addressing the same topic.
• Identify instances where a speaker's ethos is undermined by their statements or actions.

Before You Start

Introduction to Persuasive Language

Why: Students need a foundational understanding of how language is used to influence others before analyzing specific rhetorical strategies like ethos.

Identifying Main Idea and Supporting Details

Why: Analyzing how a speaker builds credibility requires students to identify the specific claims and evidence they use to support their authority.

Key Vocabulary

Ethos	The appeal to the speaker's character, credibility, or authority. It is how a speaker convinces the audience that they are trustworthy and knowledgeable.
Credibility	The quality of being trusted and believed in. In rhetoric, this is built through expertise, good character, and goodwill.
Authority	The power or right to give orders, make decisions, and enforce obedience. Speakers often establish authority through their position, knowledge, or experience.
Persona	The character or role that a speaker or writer adopts for a particular audience or purpose. This persona is crafted to influence how the audience perceives them.
Common Ground	Shared beliefs, values, or experiences that connect a speaker to their audience. Establishing common ground helps build trust and rapport.

Watch Out for These Misconceptions

Common Misconception

Ethos is just about being a famous or 'good' person.

What to Teach Instead

Ethos is a constructed persona within a specific text or speech. Using peer-to-peer feedback sessions helps students see that a 'bad' character can still establish strong ethos within a specific subculture by using the right jargon and shared values.

Common Misconception

Credibility is permanent once established.

What to Teach Instead

Ethos is fluid and can be lost instantly through a shift in tone or a contradiction. Active simulations where students react to 'breaking news' about a speaker help them realize how fragile credibility is in real-world communication.

Active Learning Ideas

Role Play: The Expert Panel

Students are assigned specific identities (e.g., a scientist, a local elder, a celebrity) and must present the same data to the class. The audience evaluates how the speaker's identity and tone change the perceived reliability of the facts.

45 min·Small Groups

Formal Debate: Credibility Crises

Pairs are given a scenario where a speaker has lost their ethos (e.g., a scandal or a proven lie). They must debate whether the speaker's logical arguments should still be considered valid or if the loss of character nullifies the message.

30 min·Pairs

Inquiry Circle: The Anatomy of an Influencer

Groups analyze social media profiles to identify specific linguistic and visual choices used to build ethos. They present their findings on a shared digital board, highlighting how 'relatability' is used as a tool for authority.

40 min·Small Groups

Real-World Connections

• Political candidates on the campaign trail in Canada carefully craft their public image, highlighting their experience and connection to everyday Canadians to build trust with voters.
• Medical professionals, such as doctors or public health officials, use their established credentials and research findings to persuade the public about health recommendations, like vaccination campaigns.
• Lawyers in a courtroom present evidence and their own character to convince a judge or jury of their client's innocence or guilt, relying heavily on their perceived integrity and knowledge of the law.

Assessment Ideas

Quick Check

Present students with a short transcript of a speech or advertisement. Ask them to identify two specific phrases or sentences that the speaker uses to build their credibility and explain in one sentence why each phrase is effective.

Discussion Prompt

Pose the question: 'When might a speaker's past actions, unrelated to the current topic, impact how credible they seem?' Facilitate a brief class discussion, encouraging students to provide examples from news or current events.

Exit Ticket

Ask students to write down one way a speaker can establish ethos without explicitly stating their credentials. Then, have them write one sentence explaining why this method is effective in building audience trust.

Frequently Asked Questions

How does ethos relate to Indigenous perspectives in the curriculum?

In an Ontario context, ethos often involves acknowledging the land and the speaker's relationship to the community. Teaching students to recognize how Indigenous speakers establish authority through ancestral connection and lived experience, rather than just Western academic credentials, is a vital part of understanding diverse rhetorical traditions.

What is the difference between ethos and reputation?

Reputation is what the audience knows about the speaker before they start talking. Ethos is the credibility the speaker builds or reinforces through the actual words and delivery of their message. A speaker with a poor reputation can still build strong ethos through humility and transparency.

How can active learning help students understand ethos?

Active learning allows students to 'wear' different personas, making the abstract concept of a rhetorical persona concrete. When students participate in role plays or mock press conferences, they feel the immediate impact of their word choices on their audience's trust. This real-time feedback loop is much more effective than simply labeling ethos in a static textbook example.

Is ethos more important than logos in modern media?

While the curriculum emphasizes all three appeals, modern media often prioritizes ethos because audiences are overwhelmed with data. We tend to filter information through the people we trust. Helping students see this shift prepares them for the reality of digital information consumption.