Historical Context & Motivation
The ability to identify how an argument is constructed—rather than merely evaluating whether its conclusion is true—has deep roots in the history of logic and rhetoric. From Aristotle's systematic categorization of syllogistic reasoning in the Organon to the modern analytical philosophy tradition's emphasis on argument mapping, scholars have long recognized that understanding the method of reasoning is a prerequisite for evaluating its soundness. The GMAT's Critical Reasoning section inherits this tradition by requiring test-takers to do more than simply agree or disagree with a conclusion; instead, candidates must articulate the structural strategy an argument employs—an exercise that mirrors the kind of analytical thinking expected in graduate business programs. The introduction of boldface questions on the GMAT elevated this skill further by isolating specific sentences within an argument and asking test-takers to describe their structural roles.
The central question these developments address is deceptively simple: How does an argument attempt to persuade? Answering this question requires you to step outside the content of the argument and view its architecture from above—recognizing which statements serve as evidence, which function as intermediate conclusions, and which represent the author's main point. Boldface questions take this one step further by pinpointing specific structural elements and demanding precise labels for each.
Core Principles & Definitions
Before dissecting any method-of-reasoning question, you must internalize the vocabulary of argument structure. Every Critical Reasoning stimulus contains an argument—a set of statements in which some statements (premises) are offered in support of another statement (the conclusion). Between the premises and the conclusion, there may be intermediate conclusions, background context, counterarguments, and concessions. Mastery of these structural roles is the foundation upon which all method-of-reasoning analysis rests.
Premise
Conclusion
Intermediate Conclusion
Counter-Premise / Objection
Background / Context
Method-of-reasoning questions on the GMAT come in two distinct formats. The first is the general method-of-reasoning format, in which the question stem asks you to describe the overall argumentative strategy—for example, "The argument proceeds by" or "Which of the following best describes the method of reasoning used in the argument?" The second is the boldface format, in which one or two statements in the stimulus are printed in boldface and the question asks you to identify the role that each bolded statement plays within the argument's structure. Boldface questions are generally considered more challenging because they require precise labeling of individual components rather than a holistic description.
Visual Explanation: Argument Anatomy
The diagram below maps the anatomy of a typical GMAT argument that might appear in a boldface question. It shows how background context, premises, counter-premises, intermediate conclusions, and the main conclusion relate to one another in a hierarchical flow. Understanding this visual structure is essential for quickly categorizing each bolded statement.
Notice that the diagram places the main conclusion at the bottom of the support chain—everything above it feeds into it. When you encounter a boldface question, your first task is to identify the main conclusion of the argument, even if it is not one of the bolded statements. Once the main conclusion is located, you can classify every other statement relative to it: does this statement support the main conclusion directly (premise), support it indirectly (intermediate conclusion), oppose it (counter-premise), or merely set the stage (background)?
How Method-of-Reasoning Questions Work
Recognizing the Question Stem
The first step in any Critical Reasoning question is reading the question stem before engaging with the stimulus. Method-of-reasoning questions use distinctive phrasing that sets them apart from strengthen, weaken, or assumption questions. General method-of-reasoning stems include variants such as "The argument proceeds by," "Which of the following describes the technique of reasoning used above?" or "The argument does which of the following?" Boldface stems typically state: "In the argument given, the two boldface portions play which of the following roles?" or "The first boldface statement plays which of the following roles in the argument?" Recognizing these stems immediately tells you that your job is descriptive—you must characterize the argument's structure, not evaluate its truth.
The Four-Step Approach
A systematic approach reduces the risk of falling for trap answer choices. The following four-step framework is designed for both general method-of-reasoning and boldface variants.
Identify the Main Conclusion
Map the Premises
Label Each Boldface Statement
Match to Answer Choices
Common Reasoning Methods on the GMAT
General method-of-reasoning questions require you to name the argumentative strategy. The most frequently tested methods include: analogy (arguing that because two situations share key features, what holds for one holds for the other), counterexample (refuting a general claim by presenting a specific case that contradicts it), elimination of alternatives (showing that competing explanations fail, leaving only the author's position), and reductio ad absurdum (demonstrating that an opposing position leads to an absurd or contradictory outcome). Familiarity with these patterns allows you to quickly match the argument's strategy to the correct answer choice without getting lost in content-level details.
Boldface Role Classification
Boldface questions demand precise classification, and the GMAT uses a relatively predictable set of role descriptions in its answer choices. The table below catalogs the most common boldface role labels, their definitions, and the signal clues you can use to identify them within a stimulus. Mastering this taxonomy ensures that you can quickly match bolded statements to their correct structural descriptions.
| Boldface Role | Definition | Signal Clues |
|---|---|---|
| Main Conclusion | The ultimate claim the argument aims to establish; no other statement in the argument supports something beyond it. | Therefore, thus, hence, consequently; often the final sentence or preceded by supporting evidence. |
| Intermediate Conclusion | A claim that is supported by premises and itself provides support for the main conclusion. | Appears between evidence and the main conclusion; may be preceded by "so" or "this means" and followed by further reasoning. |
| Premise (Evidence) | A factual claim, statistic, observation, or principle offered as a reason to believe the conclusion. | Because, since, given that, after all; data points, study results, or established facts. |
| Counter-Premise / Opposing Position | A claim or piece of evidence that opposes the argument's conclusion; the author typically introduces it to refute it. | Some argue, it has been claimed, opponents contend; often followed by "however" or "but" as the author pivots to rebut. |
| Background / Context | Contextual information that sets the scene without directly serving as evidence for or against the conclusion. | Opening sentences providing definitions, historical facts, or situational framing that do not drive the logical chain. |
Worked Example
The following worked example demonstrates how to apply the four-step framework to a GMAT-style boldface question. Read the stimulus carefully, then follow each step.
Common Traps & Elimination Strategies
Method-of-reasoning questions—particularly boldface variants—are notorious for answer choices that sound plausible but contain subtle mischaracterizations. Understanding the most common trap patterns accelerates your elimination process and prevents costly errors under time pressure. The table below contrasts effective strategies with the pitfalls they address.
| Trap Type | How It Misleads | Elimination Strategy |
|---|---|---|
| Role Reversal | Swaps the roles of two boldface portions—e.g., calling the premise a conclusion and the conclusion a premise. | Check each half of the answer independently. If even one half is wrong, the entire answer is wrong. |
| Wrong Author | Attributes a boldface statement to the argument's author when it actually represents an opponent's position, or vice versa. | Pay close attention to attribution language: "some believe," "critics argue," versus unattributed assertions which belong to the author. |
| Scope Shift | Describes the boldface statement's content accurately but misidentifies its structural function—e.g., calling a premise "the main conclusion" because it sounds important. | Always ask: "Does any other statement in the argument support this one?" If yes, it may be a conclusion. If it supports another statement, it is a premise. |
| Intermediate vs. Main Confusion | Labels an intermediate conclusion as the main conclusion. Intermediate conclusions are supported by premises AND support the main conclusion. | Trace the support chain: does the bolded claim feed into a further, broader claim? If so, it is intermediate, not main. |
| Method Mislabel | In general method-of-reasoning questions, describes a strategy the argument does not actually use—e.g., saying it uses analogy when it actually uses counterexample. | Before looking at answers, write a brief mental summary of the argument's strategy in your own words; then find the answer that matches. |
Connection to Advanced Argument Structures
While most method-of-reasoning and boldface questions test straightforward argument structures, the most challenging variants introduce layered arguments—arguments within arguments, multiple competing positions, or complex evidential chains. Recognizing these advanced patterns is what separates 700+ scorers from the rest of the field. In these complex stimuli, you may encounter arguments where the author responds to an objection to a response to an original position, creating a three-tier structure that requires careful tracking of who said what and why.
| Feature | Standard Boldface Question | Advanced Boldface Question |
|---|---|---|
| Number of positions | One author + one opposing view | Two or more distinct positions, possibly with an author adjudicating between them |
| Conclusion location | Typically the first or last sentence | May be embedded mid-paragraph; multiple intermediate conclusions possible |
| Boldface roles | Usually one premise and one conclusion, or one opposing view and one conclusion | May include two premises supporting different claims, or an intermediate conclusion vs. a counter-premise |
| Support direction | Linear: premises → conclusion | Branching: multiple evidential chains converging on the conclusion, or evidence for and against it |
| Answer choice complexity | Descriptions use simple labels like "premise" and "conclusion" | Descriptions use nuanced phrases like "a judgment that the argument uses to support an intermediate conclusion" or "evidence that could be used to challenge the position being argued against" |
Understanding these advanced structures directly prepares you for other GMAT question types as well. The analytical skill of decomposing complex arguments transfers seamlessly to assumption questions (which require you to identify unstated premises), strengthen/weaken questions (which require you to find information that affects the link between premises and conclusion), and evaluate-the-argument questions (which ask you to identify what information would help determine whether the conclusion follows from the premises). In every case, the prerequisite is the same: you must understand the argument's architecture before you can assess its quality.
Practice Problems
Lesson Summary
Method-of-reasoning questions on the GMAT require you to describe how an argument is constructed rather than whether its conclusion is true. Boldface questions isolate specific statements and ask you to classify their structural roles—premise, main conclusion, intermediate conclusion, counter-premise, or background context. The four-step framework—identify the main conclusion, map the premises, label each boldface statement, and match to answer choices—provides a reliable, repeatable process for these questions.
Key strategies include always locating the main conclusion first (even if it is not bolded), paying close attention to attribution language to determine whose position each statement represents, and using elimination of wrong halves to discard trap answers efficiently. For general method-of-reasoning questions, formulate a mental summary of the argument's strategy before reviewing answer choices, and beware of answer choices that describe a plausible reasoning method that the argument does not actually employ. Mastery of these skills builds the analytical foundation for virtually every other Critical Reasoning question type.