Strengthen.
The fact that tilts the argument.
Where students pick the impressive-sounding stat. The four ways an answer actually strengthens. The 60-second test you can apply to every choice.
Also known as: Support the conclusion.
Strengthen rewards likelihood, not necessity. The right answer makes the conclusion more probable without having to make it certain. The common Strengthen miss: picking an answer that fixes a logical flaw the argument never made, instead of one that addresses the actual gap in the reasoning.
The pattern
A Strengthen question gives you an argument and asks which choice would, if true, most support the conclusion. The right answer makes the conclusion more likely. It does not have to make the conclusion certain. Strengthen distractors look related but do not address the argument's actual gap.
The stem usually reads as one of these:
- Which one of the following, if true, most strengthens the argument?
- Which one of the following, if true, most supports the argument above?
- Which one of the following, if true, would most justify the conclusion?
Sub-patterns
When an argument claims X causes Y, the strengthener confirms the causal mechanism. Often by ruling out coincidence or by showing X-Y co-occur in additional cases.
When an alternative explanation is plausible, the strengthener rules it out. The argument now stands without competition.
When the argument generalizes from a sample, the strengthener confirms the sample resembles the target. The analogy holds.
When the argument rests on one piece of evidence, the strengthener supplies a second that points the same way.
Three trap patterns.
The first slip
The plateau on Strengthen comes from picking topically-related answers without checking structural relevance. On parallel-case questions, the most common miss is the number-sounding distractor: it mentions the right subject, but it does not address the argument gap. The cause is reading-for-topic instead of reading-for-structure.
The compounding slip
Strengthen is not about adding any fact that mentions the same subject. It is about adding the fact that tightens the argument's specific reasoning. The distinction sounds small. It is the difference between 162 and 168.
Why it sticks
Strengthen rewards reading the structure of the argument first. The right answer addresses the gap, not the topic.
One Strengthen question. Pick before you scroll.
Pick your answer before scrolling. Commit to a choice, optionally record your confidence, then reveal the explanation.
Maya cites a recent District-bookstores survey: independent bookstores in the District that added café sections last year saw a 12 percent increase in weekday foot traffic. Maya argues this supports her proposal to add a café section at Pinaka Books to raise weekday foot traffic. Sam, reading the survey, looks for the methodology section.
Which one of the following, if true, most strengthens Maya's argument?
Pick one of the five choices on the left. The explanation reveals after you commit.
The fix
- 01
Map the argument before reading choices.
Before looking at A through E, write the conclusion in your own words and identify the gap. Now you know what would tighten the gap. Reading choices without this step is reading for topic.
- 02
Drill by sub-pattern, not by skill.
Take 25 Strengthen questions sorted by sub-pattern. Do all 7 parallel-case items in a row. Then 7 alternative-cause-elimination. The shape of the right answer locks in faster when the questions cluster.
- 03
Apply the gap test.
For each choice, ask: does this fact address the argument's actual gap? If the choice is on-topic but does not address the gap, eliminate it. If it is on-topic AND addresses the gap, keep it. Confidence comes from the second filter.
The drill set adapts to your weakness.
Every Strengthen question in Pinaka is tagged with one of four sub-patterns. After your first mock, your skill map shows accuracy at the sub-pattern level: causal-link reinforcement, counter-cause elimination, parallel case, confirming evidence. Drills sort by your weakest sub-pattern.
The five-section explanation on every Strengthen item names the structural target before walking the choices. The same structure-first approach the explanations teach is the one Pinaka students apply on test day.
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.
Strengthen questions, answered.
How is Strengthen different from Sufficient Assumption?
Strengthen makes the conclusion more likely. SA makes the conclusion follow with deductive certainty. An SA answer is also a strong strengthener, but most strengtheners are not SA answers. Strengthen prompts use "supports" or "strengthens." SA prompts use "if assumed" or "allows the conclusion to be properly drawn."
Are some choices "more strengtheners" than others?
Yes. The right answer is the one that most strengthens, not just any choice that adds support. On a typical Strengthen question, two choices may technically strengthen the argument; one strengthens it more than the other. The structural-relevance test resolves the tie.
What does "if true" do in the prompt?
"If true" is a hypothetical operator. You assume the choice is true; you do not have to verify it. The question is whether, under that assumption, the choice strengthens the argument. The hypothetical is doing real work: it lets you evaluate strength without challenging the choice itself.
Recap
Strengthen. rewards likelihood, not necessity. The right answer makes the conclusion more probable.
The gap. identify the weak link in the reasoning and check each answer for whether it shores up that exact link.
The trap. answers that fix a flaw the argument never made, or that strengthen a tangential claim.
One mock.Your Strengthen sub-pattern accuracy, named.
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