Logical Test- Evaluating Arguments and Reasoning Skills

What Is a Logical Test, Anyway?

A logical test measures how well you can analyze information, identify patterns, and draw sound conclusions. That's it. No fluff. These tests show whether you can think in a structured way or if you're just guessing.

Employers use them. Graduate schools use them. Professional certification boards use them. Why? Because logical reasoning predicts job performance better than most interviews.

Most logical tests fall into two categories: deductive reasoning (drawing specific conclusions from general rules) and inductive reasoning (spotting patterns and making generalizations).

Types of Logical Reasoning Tests

Not all logical tests look the same. Know what you're walking into.

Deductive Reasoning Tests

You get premises. You apply rules. You reach conclusions. If the premises are true and the logic is valid, the conclusion must be true.

Common formats:

Inductive Reasoning Tests

You see examples. You find the pattern. You predict what comes next. There's no absolute certainty—just the most likely answer.

Common formats:

Critical Reasoning Tests

These test your ability to evaluate arguments. You identify assumptions, spot weaknesses, recognize logical fallacies, and distinguish strong arguments from weak ones.

Graduate-level tests like the GMAT and LSAT lean heavily on this format.

How to Evaluate an Argument

Evaluating arguments is a skill. Here's how to do it without getting fooled.

Step 1: Find the Conclusion First

What is the author trying to prove? Look for signal words: therefore, thus, so, consequently, as a result. The conclusion usually hides at the end or beginning of a paragraph.

Step 2: Identify the Premises

These are the reasons offered to support the conclusion. They're the foundation. If the premises are shaky, the whole argument collapses—no matter how convincing it sounds.

Step 3: Check for Hidden Assumptions

Every argument relies on unstated beliefs. Ask yourself: What must be true for this argument to work? If you spot a questionable assumption, the argument weakens.

Step 4: Assess the Logical Connection

Does the conclusion actually follow from the premises? Or is the author making a leap? Valid logic means the conclusion is guaranteed if the premises are true. Invalid logic means there's a gap.

Step 5: Consider Counterarguments

Strong arguments address the best opposing views. Weak ones ignore them entirely. A good test-taker recognizes when an argument is oversimplified or one-sided.

Logical Fallacies That Ruin Arguments

Fallacies are reasoning errors. Recognizing them protects you from bad arguments—and helps you spot them in test questions.

How to Improve Your Logical Reasoning

Practice helps, but only if you're practicing correctly. Random practice without reflection wastes time.

Read Critically Every Day

Read opinion pieces. editorials. Arguments in the news. Ask yourself: What's the conclusion? What evidence supports it? What assumptions are made? Is the logic sound?

This builds the habit of analysis. Once it becomes automatic, test questions feel like natural conversations instead of puzzles.

Study Fallacies Explicitly

Learn the names and patterns. When you recognize a fallacy, the argument's weakness becomes obvious. You stop being fooled by emotional appeals disguised as logic.

Practice With Timed Conditions

Real tests have time pressure. Practice under conditions that match the actual test: same question types, same time limits, same environment. Build your stamina.

Review Your Mistakes

This matters more than doing more questions. When you miss one, figure out why. Was it a misinterpretation? A logic error? A time pressure mistake? Fix the root cause.

Learn to Skip and Return

If a question stumps you, move on. Come back if time allows. Spending five minutes on one question while others sit untouched costs you points.

Tools and Resources Comparison

You don't need expensive courses. Here's what actually helps:

Resource Type Cost Best For
Logical Reasoning Test by AssessmentDay Practice tests Free / Paid Realistic simulation
Magoosh Logic Games Video lessons Paid LSAT prep
Khan Academy - LSAT Prep Interactive Free Budget-friendly study
LSAT Trainer by Mike Kim Book Paid Deep dive into argument structure
Brain Den (fallacy list) Web reference Free Quick fallacy review
GMAT Club Critical Reasoning Forum / Practice Free GMAT-specific argument practice

You don't need all of these. Pick one primary resource and work through it completely. Quality beats quantity.

Getting Started: Your First Practice Session

Here's what to do today:

  1. Find a practice test — AssessmentDay or any free test site. Take one full section without interruption.
  2. Score yourself — Note your accuracy and timing. Where did you struggle?
  3. Review wrong answers — Don't just check the right answer. Understand why the wrong answer was wrong.
  4. Study one fallacy — Pick one from the list above. Understand it. Look for it in your next news feed.
  5. Return tomorrow — Consistency matters more than marathon sessions. 30 minutes daily beats 4 hours once a week.

Repeat for two weeks. Your pattern recognition will sharpen. Your argument analysis will speed up. Your scores will reflect the work.

There's no secret. The people who ace these tests practiced deliberately and reviewed their mistakes. That's the whole system.