Standards Alignment
- TEKS.110.36.11G primary
examine sources for: (i) credibility and bias, including omission; and (ii) faulty reasoning such as ad hominem, loaded language, and slippery slope; - TEKS.110.36.11H primary
display academic citations, including for paraphrased and quoted text, and use source materials ethically to avoid plagiarism; and - TEKS.110.36.11I primary
use an appropriate mode of delivery, whether written, oral, or multimodal, to present results. Source: The provisions of this §110.36 adopted to be effective November 12, 2017, 42 TexReg 6148; amended to be effective August 1, 2019, 44 TexReg 3835.
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Lesson Overview
This Grade 9 English Language Arts lesson focuses on teaching students how to critically examine sources for credibility and bias, including omission, and to identify faulty reasoning such as ad hominem attacks, loaded language, and slippery slope arguments. Students will also learn to cite sources ethically and present their findings using appropriate modes of delivery. The lesson aligns with TEKS standards for inquiry and research and emphasizes recursive inquiry processes using multiple texts.
Learning Objectives
- Identify and explain how to determine the credibility of a source and recognize bias, including omission.
- Recognize and analyze examples of faulty reasoning such as ad hominem attacks, loaded language, and slippery slope arguments in texts.
- Demonstrate ethical use of source materials by displaying academic citations for paraphrased and quoted text to avoid plagiarism.
- Present research findings using an appropriate mode of delivery, including written, oral, or multimodal formats.
Success Criteria
- Students can explain what makes a source credible and identify bias or omission in a text.
- Students can identify and describe examples of faulty reasoning in sample texts.
- Students can create accurate academic citations for paraphrased and quoted information.
- Students can effectively present their analysis of sources using a chosen mode of delivery.
Prerequisite Knowledge
Students should have basic reading comprehension skills and familiarity with identifying main ideas and supporting details in texts. Prior experience with summarizing and paraphrasing information will support citation skills.
Key Vocabulary
- Credibility
- Bias
- Omission
- Faulty Reasoning
- Ad Hominem
- Loaded Language
- Slippery Slope
- Citation
- Plagiarism
- Paraphrase
- Multimodal Presentation
Materials and Resources
- Sample texts demonstrating credible and biased sources
- Examples of texts containing faulty reasoning (ad hominem, loaded language, slippery slope)
- Citation guide handout
- Presentation tools (e.g., poster paper, digital presentation software)
Teacher Preparation
- Prepare or select sample texts illustrating credibility, bias, and omission.
- Prepare examples of faulty reasoning for class discussion.
- Create or obtain a citation guide for academic sources.
- Arrange technology or materials for student presentations.
Detailed Lesson Notes
Understanding Credibility and Bias in Sources
Credibility refers to how trustworthy and reliable a source is. Teachers should explain that credible sources provide accurate, well-supported information and are authored by experts or reputable organizations. Bias occurs when a source shows a preference or prejudice that affects the information presented, often by emphasizing certain facts or omitting others (omission). Students should learn to look for indicators of bias such as emotionally charged language, one-sided arguments, or missing perspectives. For example, a news article that only presents one side of a controversial issue without acknowledging opposing views may demonstrate bias through omission.
Identifying Faulty Reasoning: Ad Hominem, Loaded Language, and Slippery Slope
Faulty reasoning weakens arguments by using illogical or manipulative tactics. Ad hominem attacks target a person's character instead of addressing the argument. Loaded language uses emotionally charged words to influence opinion rather than facts. Slippery slope arguments claim that one action will inevitably lead to extreme consequences without evidence. Teachers should provide clear definitions and examples of each type and guide students to spot these in texts. For instance, an ad hominem might say, "You can't trust her opinion because she's inexperienced," instead of addressing the argument's merits.
Ethical Use of Sources and Academic Citations
Students must learn to use source materials ethically by giving proper credit through citations, whether paraphrasing or quoting directly. Teachers should introduce citation formats appropriate for the grade level and demonstrate how to create citations for different source types. Emphasize that failing to cite sources constitutes plagiarism, which is unethical and academically dishonest. Practice exercises can include paraphrasing a passage and writing the corresponding citation.
Presenting Research Findings Using Appropriate Modes
Students should be encouraged to present their analysis and research findings in a mode that suits their strengths and the assignment requirements. This could be written reports, oral presentations, or multimodal formats such as slideshows or videos. Teachers should provide guidance on organizing content clearly, using evidence to support claims, and engaging the audience. Practice opportunities and feedback will help students develop confidence and skill in their chosen delivery method.
Worked Examples
Worked Example 1
Scenario
Read the following excerpt from a news article: "The mayor's plan is a disaster because he is inexperienced and doesn't care about the community." Identify if this is an example of ad hominem faulty reasoning and explain why.
Explanation
This statement attacks the mayor's character (inexperience and caring) rather than addressing the actual plan's merits or faults. This is a classic ad hominem fallacy because it targets the person instead of the argument.
Answer Guide
Yes, this is ad hominem reasoning because it attacks the mayor personally instead of discussing the plan's content.
Worked Example 2
Scenario
A source only presents positive information about a product but leaves out any negative reviews. What kind of bias might this be, and how does omission affect credibility?
Explanation
This is bias by omission because the source leaves out negative information that would give a more balanced view. Omitting important facts reduces the source's credibility because it does not provide a full picture.
Answer Guide
The source shows bias by omission, which lowers its credibility because it hides important negative information.
Engage
Teacher Activity
Introduce the lesson by asking students if they have ever read or heard information that seemed one-sided or unfair. Share a brief example of a biased news headline or statement and ask students what made it seem biased or unreliable.
Student Activity
Students discuss in pairs or small groups examples of information they have encountered that seemed biased or untrustworthy and share their thoughts with the class.
Explanation
This activity activates prior knowledge and sets the purpose for learning about credibility, bias, and faulty reasoning by connecting to students' real-life experiences.
Examples
- Students recognize that some sources may not tell the whole story or may try to persuade unfairly.
- Students begin to use terms like bias and credibility in their discussions.
Explore
Teacher Activity
Provide students with a set of short sample texts, some credible and balanced, others biased or containing omission. Also provide examples of texts with faulty reasoning (ad hominem, loaded language, slippery slope). Guide students through reading and annotating these texts to identify credibility, bias, and faulty reasoning.
Student Activity
Students read and annotate the sample texts, marking evidence of credibility, bias, omission, and faulty reasoning. They discuss their findings in small groups.
Explanation
This hands-on exploration helps students practice identifying key concepts in authentic texts and prepares them for deeper analysis.
Examples
- Students highlight specific words or phrases that indicate bias or faulty reasoning.
- Students explain their reasoning for labeling a source credible or biased.
Explain
Teacher Activity
Explicitly teach definitions and examples of credibility, bias, omission, and faulty reasoning types. Model how to create academic citations for paraphrased and quoted text using the citation guide. Demonstrate how to organize and present findings using different modes of delivery.
Student Activity
Students take notes, ask clarifying questions, and practice creating citations with teacher guidance. They also brainstorm ideas for presenting their analysis.
Explanation
Direct instruction clarifies concepts and skills, ensuring students understand terminology and ethical research practices.
Examples
- Students accurately define key terms and create sample citations.
- Students suggest presentation formats and content organization.
Elaborate
Teacher Activity
Assign students to select a source on a given topic and analyze it for credibility, bias, omission, and faulty reasoning. Students must create citations for their sources and prepare a presentation of their analysis in a chosen mode.
Student Activity
Students research, analyze, cite, and prepare to present their findings individually or in pairs.
Explanation
This extended task allows students to apply learned skills independently and develop communication abilities.
Examples
- Students produce annotated analyses with citations.
- Students plan presentations that clearly communicate their findings.
Evaluate
Teacher Activity
Have students present their analysis to the class or submit written reports. Use a rubric to assess their ability to identify credibility, bias, and faulty reasoning, correctly cite sources, and effectively communicate their findings.
Student Activity
Students deliver presentations or submit reports demonstrating their understanding and skills.
Explanation
Assessment confirms mastery of lesson objectives and provides feedback for improvement.
Examples
- Students articulate clear explanations with evidence.
- Students use citations appropriately.
- Presentations are organized and engaging.
Classroom Activity
Students read and annotate the sample texts, marking evidence of credibility, bias, omission, and faulty reasoning. They discuss their findings in small groups.
Guided Practice
Guided Practice 1
Prompt
What is ad hominem faulty reasoning?
Teacher Answer Guide
Ad hominem faulty reasoning attacks a person's character instead of addressing the argument or issue.
Guided Practice 2
Prompt
How can omission cause bias?
Teacher Answer Guide
Omission causes bias by leaving out important information that would provide a balanced view, making the source one-sided.
Guided Practice 3
Prompt
Why is citing sources important?
Teacher Answer Guide
Citing sources is important to give credit to original authors, avoid plagiarism, and show where information was obtained.
Guided Practice 4
Prompt
What is loaded language?
Teacher Answer Guide
Loaded language uses emotionally charged words to influence opinion rather than presenting facts.
Guided Practice 5
Prompt
Describe a slippery slope argument.
Teacher Answer Guide
A slippery slope argument claims that one action will inevitably lead to extreme negative consequences without evidence.
Independent Practice
- Foundational: What does it mean for a source to be credible?
- Developing: Identify one example of loaded language in this sentence: "Only a fool would support that dangerous policy."
- Application: Given a short article that praises a politician but does not mention any criticisms, how would you describe the bias present?
- Analysis: Analyze this argument: "If we allow students to use calculators, soon they won't be able to do any math on their own, and education will collapse." What type of faulty reasoning is this? Explain your answer.
- Challenge: Explain why it is important to cite sources when paraphrasing information and describe one consequence of failing to do so.
Independent Practice Teacher Answer Key
- 1. A credible source is trustworthy and reliable because it provides accurate, well-supported information from experts or reputable organizations.
- 2. The phrase "only a fool" is loaded language because it uses an insulting term to influence opinion rather than facts.
- 3. The article shows bias by omission because it leaves out any negative information, presenting a one-sided view.
- 4. This is a slippery slope argument because it claims that allowing calculators will inevitably lead to extreme negative consequences without evidence.
- 5. Citing sources when paraphrasing gives credit to the original author and shows where information came from, which is ethical and avoids plagiarism. Failing to cite sources can lead to accusations of plagiarism, which is academically dishonest and can result in penalties.
Guiding Questions
- What makes a source credible?
- How can bias affect the information we receive?
- What are examples of faulty reasoning?
- Why is citing sources important?
- How can you effectively present your research?
Common Misconceptions
- Bias only means lying or making things up; it can also include leaving out important information (omission).
- All sources found online are credible without checking their background or author.
- Faulty reasoning always uses big, obvious mistakes; sometimes it is subtle and hard to detect.
- Citing sources is only necessary when quoting directly, not when paraphrasing.
- Presentations must always be oral; written and multimodal formats are equally valid.
Differentiation
Support and Intervention
Provide sentence frames and graphic organizers to help identify bias and faulty reasoning. Offer guided practice with teacher or peer support when creating citations. Allow use of simpler texts for analysis.
English-Language Learner Support
Pre-teach key vocabulary with visuals and examples. Use bilingual resources or glossaries to support understanding. Encourage oral responses before written work.
Advanced and Extension
Challenge students to find examples of bias and faulty reasoning in current news articles. Have students compare multiple sources on the same topic for credibility. Encourage use of advanced citation styles and multimodal presentations.
Assessment
- Students annotate sample texts identifying credibility, bias, and faulty reasoning.
- Students create citations for paraphrased and quoted text in practice exercises.
- Students participate in discussions explaining their analysis.
- Write a brief explanation of how to identify bias in a source.
- List and define one type of faulty reasoning with an example.
- Create a citation for a paraphrased sentence from a given text.
- Write an essay analyzing the credibility and bias of two different sources on the same topic, including citations.
- Deliver an oral or multimodal presentation summarizing your analysis and citing sources.
Answer Guide
- What is ad hominem faulty reasoning?
Answer: Ad hominem faulty reasoning attacks a person's character instead of addressing the argument or issue. - How can omission cause bias?
Answer: Omission causes bias by leaving out important information that would provide a balanced view, making the source one-sided. - Why is citing sources important?
Answer: Citing sources is important to give credit to original authors, avoid plagiarism, and show where information was obtained. - What is loaded language?
Answer: Loaded language uses emotionally charged words to influence opinion rather than presenting facts. - Describe a slippery slope argument.
Answer: A slippery slope argument claims that one action will inevitably lead to extreme negative consequences without evidence.
Real-Life Application
Encourage students to discuss with family members how they evaluate news sources or information online. Students can bring examples of biased or credible sources they find at home or in the community.
Homework or Home Connection
- Encourage students to discuss with family members how they evaluate news sources or information online. Students can bring examples of biased or credible sources they find at home or in the community.
Lesson Summary
In this lesson, students learned to critically examine sources by identifying credibility, bias, and omission, as well as recognizing faulty reasoning such as ad hominem, loaded language, and slippery slope arguments. They practiced ethical research skills by creating academic citations and developed communication skills by presenting their analyses using various modes. These skills empower students to become thoughtful consumers and communicators of information.
Teacher Notes
Use the exact standards alignment and retrieved-source provenance stored with this enrichment.