Logical Reasoning Test

Where verbal reasoning sits

In the Cattell–Horn–Carroll (CHC) framework, reasoning expressed in language draws on two broad abilities at once: comprehension-knowledge (Gc), which lets you parse the sentences, and fluid reasoning (Gf), which does the actual inference. Well-built verbal-logic items are designed to lean on the second — they strip out obscure vocabulary and real-world facts so that what remains is the logical structure. That is why the demos below use invented or neutral words: knowing what a “marlin” is would only get in the way of seeing the form of the argument.

Three patterns worth knowing

Most verbal-logic items are variations on a few structures. A syllogism chains categories: if all A are B and all B are C, then all A are C. A conditional links a condition to a consequence: “if P then Q”; learning that Q is false lets you conclude P is false, but learning that Q is true tells you nothing about P. And a correlation — two things moving together — never proves that one causes the other.

• Chained categories (syllogism): follow the transitive links, and do not reverse them.
• If-then statements: denying the consequence denies the condition; affirming it proves nothing.
• Correlation vs. cause: look for a third factor before assuming a direct link.

Why logical reasoning matters

Every day you meet claims dressed up to sound conclusive: an ad that implies causation from a coincidence, an argument that quietly reverses an if-then, a confident leap from “some” to “all.” Logical reasoning is the habit of separating what actually follows from what merely feels persuasive — the difference between an argument being valid and its conclusion simply sounding right.

Researchers probe this with tasks like the Cognitive Reflection Test, where the fast, intuitive answer is deliberately wrong and only a second, deliberate step reaches the correct one. The lesson generalises: reliable reasoning usually means pausing long enough to check the structure before trusting the first conclusion that arrives.

How MOSAIC-48 measures verbal reasoning

In the full assessment, six verbal-reasoning items are interleaved with four other reasoning domains across two mixed rounds, so a syllogism might sit between a matrix and a spatial task rather than in one long block. The items are untimed, and they stick to everyday words everyone already knows — thermometer, square — or to invented tokens, so that no amount of trivia or specialist vocabulary gives an edge.

Those six items sample propositional reasoning (syllogisms and if-then chains), concept relations (analogies and category links), and argument analysis (finding a hidden assumption, or separating correlation from cause). Verbal reasoning is one of eight domains that combine into your Composite Cognitive Index.

Reading your verbal-reasoning score

A strong verbal-reasoning result means you tend to hold to what the premises actually license and resist the tempting-but-invalid step; a lower one often means a fast, plausible reading is winning over a careful one. Read it against your own other domains rather than as a rank against other people.

As always, one session is a snapshot, shaped by focus and the particular items. It is an internal-reference estimate for self-insight, not a standardized or official score, and it is not intended for diagnosis or selection.