Method of Reasoning.
What the argument does. Not whether it works.
Where students confuse MOR with Flaw. How to describe argument structure in neutral terms. The four structural moves the LSAT tests.
Also known as: Match the reasoning.
Method of Reasoning asks how an argument makes its case, not whether it succeeds. The right answer neutrally describes the structural move: citing evidence, responding to a counter-argument, drawing an analogy, or generalizing from an example. The top miss is choosing a description that correctly identifies the topic but misattributes the role of a premise, using "disputes" where the argument "concedes" or "assumes" where the argument "infers."
The pattern
A Method of Reasoning question asks you to describe how the argument makes its case. The right answer names the logical move the argument performs: it does not evaluate whether the argument succeeds. An argument can be flawed in structure yet still have a correct MOR description. The task is descriptive, not evaluative. Distractors misname the role of a premise, add an evaluation, or describe a move the argument did not make.
The stem usually reads as one of these:
- The argument proceeds by...
- Which one of the following most accurately describes the method of reasoning used in the argument?
- The argumentative strategy used in the passage is to...
- Which one of the following describes the technique of reasoning used above?
Sub-patterns
The argument states evidence and draws a conclusion from it. The MOR answer names both: "uses evidence of X to conclude Y." The most common sub-pattern.
The argument acknowledges an opposing claim and then responds to it. The MOR answer names both the concession and the response: "concedes X but argues that Y."
The argument supports its claim by drawing a parallel to another case. The MOR answer names this: "supports the conclusion by drawing an analogy to X."
The argument cites a specific example or data point and uses it to support a broader generalization. The MOR answer names the inductive move.
Argument Evaluation stems ask which fact would most help evaluate the argument. The method is to identify the argument's weakest inferential link, then scan choices for a fact that bears directly on that link. Argument Evaluation is taught as a sub-section of Method of Reasoning because both skills require mapping argument structure before selecting an answer.
Three trap patterns.
The first slip
Method of Reasoning is confused with Flaw by students who have drilled Flaw heavily. Both question types require close attention to argument structure. But Flaw asks "what is wrong?" and MOR asks "what does the argument do?" The MOR answer is neutral. A correct MOR description of a flawed argument does not call the argument flawed. Students who have recently drilled Flaw consistently reach for evaluative distractors on MOR questions.
The compounding slip
Within MOR, the top miss is a choice that describes the argument's premises' roles incorrectly. For example: Sam "disputes" Maya's claim instead of Sam "acknowledges" Maya's claim. These choices are superficially close. The distinction is one verb. The LSAT writes them to require close reading of the argument's actual moves.
Why it sticks
MOR is descriptive, not evaluative. If the right answer says the argument "disputes" a claim and the argument actually "concedes" it, the choice is wrong regardless of how close the rest of the description is.
One Method of Reasoning question. Pick before you scroll.
Pick your answer before scrolling. Commit to a choice, optionally record your confidence, then reveal the explanation.
Maya: The new shelving system will improve browsing efficiency across every section of Pinaka Books. That alone justifies the investment. Sam: The browsing efficiency improvement is real. But installation requires closing the store for three days. The lost revenue over those three days likely outweighs the long-term browsing benefit.
Which one of the following most accurately describes the method of reasoning used in Sam's response?
Pick one of the five choices on the left. The explanation reveals after you commit.
The fix
- 01
Map the argument moves before reading choices.
Label each sentence: premise, concession, counter, conclusion, analogy, example. Then write a one-line description of the structural pattern. Match your description to the choices. This prevents choosing by feel.
- 02
Drill MOR after Flaw, not before.
Flaw builds the vocabulary for argument structure. MOR uses that vocabulary but removes the evaluative step. Students who drill MOR without having drilled Flaw lack the vocabulary. Students who drill MOR immediately after Flaw acquire the neutral-description habit quickly.
- 03
Check every verb in MOR choices.
"Acknowledges" vs "disputes." "Infers" vs "assumes." "Cites" vs "implies." The verb carries the structural role. If the verb is wrong, the choice is wrong. One wrong verb disqualifies an otherwise accurate description.
The drill set adapts to your weakness.
Every Method of Reasoning question in Pinaka is tagged by sub-pattern. After your first mock, your skill map shows accuracy at the sub-pattern level: premises-and-conclusion, counter-argument response, analogy deployment, and evidence-to-claim. Drills sort by your weakest sub-pattern.
The five-section explanation on every MOR item labels each sentence's structural role and writes the argument map explicitly. The explanation applies the same two-part check used in this page's worked example: does the choice name the move, and does it name the role correctly?
This is sample data. Your numbers arrive after one full mock. The chart shows your accuracy on each of the 21 LSAT subskills, with an evidence count on each. The lowest peak is where Pinaka starts your drilling.
Skills closely related to this one.
See how this skill fits in the full LSAT skill taxonomy.
Method of Reasoning questions, answered.
How do I distinguish MOR from Flaw when reading the stem?
Flaw stems: "the argument is flawed because," "the reasoning is vulnerable to criticism," "a flaw in the argument is." MOR stems: "the argument proceeds by," "the method of reasoning used is," "which most accurately describes the argumentative strategy." Flaw asks what is wrong. MOR asks what was done. If the stem has an evaluative word ("flaw," "vulnerable," "error"), it is Flaw.
Can a flawed argument have a correct MOR description?
Yes. MOR describes what the argument does. A flawed argument can still be described accurately: "the argument cites one example to generalize to all cases" is a correct MOR answer even if that generalization is hasty. The flaw is a separate question. MOR is neutral about quality.
What does "argumentative strategy" mean in the stem?
"Argumentative strategy" is another phrasing for "method of reasoning." The question is asking how the argument makes its case. The word "strategy" does not imply that the argument is strategic or intentional. It is asking for the structural description.
Recap
Method of Reasoning. asks how the argument is built, not whether it is correct. The right answer is a neutral structural description.
The four moves. cite evidence, respond to a counter, draw an analogy, generalize from an example. Most arguments use one cleanly.
The trap. choices that nail the topic but mislabel the role. "Disputes" instead of "concedes," "assumes" instead of "infers."
One mock.Your Method of Reasoning sub-pattern accuracy, named.
Take a free LSAT mockFull timing. Skill map at the end. No credit card required.
LSAT is a registered trademark of the Law School Admission Council, Inc. Pinaka is not affiliated with, endorsed by, or sponsored by LSAC.