Medium LSAT Role in Argument Questions Practice Questions

Medium LSAT Role in Argument Questions Practice Questions

Identify the specific function a sentence or phrase serves within the logical structure of a passage to master Medium LSAT Role in Argument Questions. These questions challenge your ability to distinguish between raw evidence, intermediate steps, and the ultimate point the author intends to prove. By dissecting these structural components, you can navigate the complexities of the Logical Reasoning section with greater precision.

Concept Explanation

LSAT Role in Argument questions ask you to identify the functional purpose of a specific statement within the context of the entire stimulus. Unlike "Main Point" questions, which ask for the final conclusion, or "Strengthen/Weaken" questions, which ask you to evaluate the logic, these questions focus on the architectural role of a component. Common roles include the main conclusion, a premise (evidence), an intermediate conclusion (a claim supported by evidence that then supports the main conclusion), a counter-premise, or a background fact. Success requires a deep understanding of logical argumentation structures, where you must determine which statements are supporting others and which are being supported.

To identify the role, you should look for structural indicators. Words like "because" or "since" often signal premises, while "therefore" or "hence" signal conclusions. However, at a medium level of difficulty, the LSAT often hides these indicators or uses them for intermediate conclusions. A reliable test is the "Why?" test: if a statement answers "Why is the author saying this?" it is likely a premise. If the statement is the answer to "What is the author trying to prove?" it is the main conclusion. You can further refine your skills by using the LSAT Prep hub to explore how different question types interact. Understanding these relationships is critical for high-level performance on the exam.

Solved Examples

Example 1: Identifying an Intermediate Conclusion

Stimulus: Many people believe that eating carrots improves night vision. However, recent studies show that carrots only provide Vitamin A, which prevents vision loss but doesn't enhance existing sight. Thus, the common belief is technically inaccurate. We should therefore stop using this myth to encourage children to eat their vegetables.

Question: What is the role of the statement "the common belief is technically inaccurate"?

1. Identify the main conclusion: The final sentence is the main conclusion (we should stop using the myth).
2. Identify the evidence: The studies showing carrots only provide Vitamin A serve as the premise.
3. Determine the relationship: The statement in question is supported by the studies but is used to support the final recommendation.
4. Answer: It is an intermediate conclusion.

Example 2: Identifying a Counter-Premise

Stimulus: Although electric cars reduce tailpipe emissions, the manufacturing process for their batteries is highly energy-intensive. Furthermore, much of the electricity used to charge them comes from coal-fired power plants. Consequently, electric cars are not as environmentally friendly as they are often portrayed.

Question: What is the role of the statement "electric cars reduce tailpipe emissions"?

1. Locate the main conclusion: "Electric cars are not as environmentally friendly as they are often portrayed."
2. Analyze the target phrase: The phrase begins with "Although," indicating a concession.
3. Evaluate its impact: It acknowledges a positive aspect of electric cars but is used to set up the author's opposing argument.
4. Answer: It is a concession or counter-premise that the author acknowledges before stating their main point.

Example 3: Identifying a Premise

Stimulus: The city should not build the new stadium downtown. The increased traffic would overwhelm the narrow streets, and the cost of land acquisition is three times higher than in the suburbs.

Question: What is the role of the statement "the cost of land acquisition is three times higher than in the suburbs"?

1. Identify the main conclusion: "The city should not build the new stadium downtown."
2. Check for support: The statement provides a financial reason why the downtown location is a bad idea.
3. Determine if it is supported by anything else: No other statement supports the land cost; it is a raw fact.
4. Answer: It is a premise offered in support of the main conclusion.

Practice Questions

1. The recent decline in honeybee populations is often blamed on pesticides. Yet, some regions with high pesticide use have stable bee populations, while some organic farms have seen collapses. This suggests that climate change, rather than pesticides, is the primary driver of the decline. Therefore, environmental policy should focus more on habitat preservation than on banning specific chemicals.

What is the role of the statement that "some regions with high pesticide use have stable bee populations"?

2. Critics argue that the new tax law will hurt small businesses. However, the law includes a specific exemption for businesses with fewer than 50 employees. Since 90% of small businesses fall into this category, the critics' fears are largely unfounded. We can conclude that the local economy will remain robust despite the legislative changes.

What is the role of the statement that "the critics' fears are largely unfounded"?

3. Every painting in the gallery was created by a local artist. Since Sarah is a local artist, it is possible that she has a piece in the gallery. However, the gallery curator only selects works that have won regional awards. Sarah has never won an award, so her work cannot be in the gallery.

What is the role of the statement that "Sarah is a local artist"?

4. Many historians believe the Great Fire was started by a baker. But new evidence concerning wind patterns on the night of the fire suggests the blaze began two blocks south of the bakery. Because the baker was seen fleeing his shop before the fire reached that area, he could not have been the source. The fire was likely the result of an arsonist.

What is the role of the statement that "the blaze began two blocks south of the bakery"?

5. To maintain a healthy heart, doctors recommend at least thirty minutes of vigorous exercise daily. Running is a form of vigorous exercise. Thus, running daily will help maintain a healthy heart. It follows that people who run every morning are making a wise choice for their long-term health.

What is the role of the statement that "running daily will help maintain a healthy heart"?

6. The school board is considering a ban on soda machines. Some members argue this will reduce sugar intake. However, students will simply bring soda from home or buy it at the convenience store across the street. A ban would therefore be ineffective at changing habits. Thus, the board should focus on nutrition education instead.

What is the role of the statement that "students will simply bring soda from home or buy it at the convenience store across the street"?

7. Most professional athletes retire by age 35. Since John is 38, he has likely retired from professional sports. If he has retired, he is probably looking for a second career in coaching or broadcasting. Therefore, John is likely seeking a new professional path.

What is the role of the statement that "John is 38"?

8. An increase in the minimum wage is necessary to reduce poverty. While some business owners claim this will lead to layoffs, historical data shows that higher wages often lead to increased consumer spending. This spending offsets the higher labor costs for most businesses. Therefore, the threat of widespread unemployment is exaggerated.

What is the role of the statement that "higher wages often lead to increased consumer spending"?

Answers & Explanations

1. Answer: Premise/Evidence. The statement provides a specific observation (stable bee populations despite pesticides) that supports the intermediate conclusion that climate change, not pesticides, is the primary driver. It acts as a factual building block for the author's argument.
2. Answer: Intermediate Conclusion. This statement is supported by the fact that 90% of businesses are exempt. It, in turn, supports the main conclusion that the local economy will remain robust.
3. Answer: Background Information/Premise. It establishes a condition (Sarah being a local artist) that makes her eligible for the gallery, which the author then uses to contrast against the actual requirement (winning an award) to reach the final conclusion.
4. Answer: Premise. The wind pattern evidence is used to establish the location of the fire's start, which is a necessary piece of evidence to exonerate the baker.
5. Answer: Intermediate Conclusion. This claim is derived from the premises about exercise and running, and it is then used to support the final conclusion that morning runners are making a wise choice.
6. Answer: Premise. This statement provides the reason why the ban would be ineffective. It is an evidentiary claim about student behavior.
7. Answer: Premise. John's age is a factual premise that, when combined with the general rule about athletes, leads to the intermediate conclusion that he has likely retired.
8. Answer: Premise. This historical data is used to support the intermediate conclusion that the threat of unemployment is exaggerated.

Frequently Asked Questions

What is a "Role in Argument" question on the LSAT?

A Role in Argument question asks you to identify the logical function of a specific part of a passage, such as whether it is a premise, conclusion, or counter-point. It tests your structural understanding rather than just your ability to find the main idea.

How do I identify an intermediate conclusion?

An intermediate conclusion is a statement that is supported by at least one premise but is also used to support a further claim (the main conclusion). You can spot it by seeing if there is a "because" leading into it and a "therefore" leading out of it.

What is the "Why?" test in LSAT logical reasoning?

The "Why?" test involves asking why the author included a specific sentence; if the answer is "to provide evidence for the conclusion," it's a premise. If the sentence is the thing being explained by other sentences, it is the conclusion.

Can a statement be both a premise and a conclusion?

Yes, this is known as an intermediate or subsidiary conclusion. It functions as a conclusion relative to the evidence supporting it, but as a premise relative to the main conclusion of the argument.

Are indicator words like "therefore" always reliable?

While words like "therefore" and "thus" usually signal conclusions, the LSAT often uses them for intermediate conclusions to trick students. Always check if the statement supports a further, more encompassing claim in the passage.

Why are these questions considered "Medium" difficulty?

Medium difficulty Role in Argument questions often feature complex structures with multiple viewpoints or intermediate conclusions. They require more than just looking for keywords; they require a holistic understanding of the logical flow.