Evaluating a Speaker's Reasoning
Aligned to SL.9-10.3 — Common Core State Standards for English Language Arts.
What this lesson teaches
Evaluate a speaker's point of view, reasoning, and evidence, and name any fallacy or distorted data. Separate a persuasive delivery from a sound argument — a confident tone is not proof.
Worked examples
Example 1
A speaker who says 'everyone already agrees, so the debate is over' uses the bandwagon fallacy; popularity is offered where evidence should be.
Example 2
A speaker argues that since the previous policy failed, the proposed one will work. That is a false dilemma: the two options are presented as the only ones, and failure of the first is offered as support for the second. Ask what a third option would look like, and the structure of the reasoning becomes visible.
Example 3
Common mistake: waiting until the end of a talk to evaluate it. By then the conclusion has been repeated and feels established. Evaluate as you listen: write the claim down when you first hear it, note each piece of support beside it, and mark the places where a step is asserted rather than shown. The gaps are easiest to see in the moment they are crossed.
Practice questions
- Summarize a speaker's main claim and the reasoning behind it.
- Identify one weak link, fallacy, or distorted piece of evidence.
- Write a question that would test the soundness of their argument.
Watch the lesson
Every lesson comes with a video taught in English and Spanish — the same video the QR code in the printed workbook opens.
▶ Watch this lessonEn español
Evaluar el Razonamiento de un Orador
Evalúa el punto de vista, el razonamiento y la evidencia de un orador, y nombra cualquier falacia o dato distorsionado. Separa una presentación persuasiva de un argumento sólido — un tono seguro no es prueba.
Ejemplo 1: Un orador que dice 'todos ya están de acuerdo, así que el debate terminó' usa la falacia del efecto de arrastre; ofrece popularidad donde debería haber evidencia.
Ejemplo 2: Un orador sostiene que, como la política anterior fracasó, la propuesta funcionará. Eso es un falso dilema: se presentan las dos opciones como las únicas, y el fracaso de la primera se ofrece como apoyo de la segunda. Pregúntate cómo sería una tercera opción y la estructura del razonamiento se vuelve visible.
Ejemplo 3: Error común: esperar al final de una charla para evaluarla. Para entonces la conclusión ya se repitió y se siente establecida. Evalúa mientras escuchas: anota la afirmación al oírla por primera vez, apunta cada apoyo a su lado y marca los lugares donde un paso se afirma en vez de mostrarse. Los huecos se ven mejor en el momento en que se cruzan.
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