The following questions refer to Chapter 2 (pp. 51-107).

The use of quantitative evidence, or statistics, can be useful for a writer's argument because

Question

The following questions refer to Chapter 2 (pp. 51-107).

The use of quantitative evidence, or statistics, can be useful for a writer's argument because

BlackTom AI · Accepted Answer

Quantitative evidence strengthens logos by providing measurable support that connects claims to observable facts.

1. Relevant knowledge points and concepts
- Quantitative evidence: numerical data, statistics, percentages, rates.
- Logical appeal (logos): argumentation based on reason, evidence, and clear connections between premises and conclusions.
- Other rhetorical appeals: ethos (credibility) and pathos (emotion). While data can influence ethos or pathos, its primary rhetorical function is to substantiate claims logically.

2. Step-by-step reasoning
- Step 1: A writer makes a claim (e.g., “Program X reduces recidivism”).
- Step 2: Quantitative evidence supplies a measurable comparison (e.g., recidivism fell from 30% to 15%).
- Step 3: The reader can evaluate the claim by inspecting the numbers, calculations, and methods, which creates a logical chain from evidence to conclusion.
- Step 4: Because numbers can be analyzed and replicated, they allow critical assessment and reduce reliance on mere opinion or anecdote.

3. Calculations / intermediate steps
- No numerical calculation is required to choose the correct option; the relevant reasoning is conceptual. If a calculation were present (for example, computing a percentage change: (30% − 15%)/30% = 0.5 or 50%), you would show those intermediate arithmetic steps to validate the claim.

4. Why the correct answer is correct
- The option "It strengthens a writer's logical appeal to the reader." correctly identifies the primary rhetorical role of statistics: to provide objective-seeming premises that support conclusions, thereby enhancing logos. Statistics give weight and structure to arguments, enabling readers to follow a reasoned line from data to inference.

5. Why the other options are incorrect
- "it presents information in graphs, charts, or tables." describes a presentation format (visualization), not the rhetorical effect of quantitative evidence.  
- "it is unbiased and objective data for a writer to use." is incorrect because statistics can be collected, selected, or framed in biased ways; they are not inherently unbiased.  
- "it primarily develops an appeal to pathos." is incorrect because pathos targets emotions; statistics primarily support logical reasoning, not emotional persuasion (though numbers can sometimes evoke emotion).

6. Conclusion
The correct answer is: It strengthens a writer's logical appeal to the reader. This matches the provided answer and is supported by the reasoning above.

The following questions refer to Chapter 2 (pp. 51-107). The use of quantitative evidence, or statistics, can be useful for a writer's argument because单项选择题

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