Common Inference Traps

Even after learning the theory of inference, many candidates continue to fall into the same traps during timed practice. These traps are not accidental — they are deliberately built into UCAT questions to test whether you can maintain logical discipline under pressure. This lesson catalogues the most common inference traps, explains why they are so effective, and provides concrete strategies for avoiding them.

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Trap 1: The "Obviously True" Trap

What it is: A statement that is obviously true in the real world but is not supported by the passage.

Why it works: Your brain automatically fills in information from your general knowledge. Under time pressure, you do not stop to check whether the passage actually says it.

Example

Passage: "The study examined the effects of sleep deprivation on cognitive performance. Participants who slept fewer than six hours per night performed significantly worse on memory tests than those who slept seven to nine hours."

Statement: "Sleep deprivation affects physical health as well as cognitive performance."

Your instinct says: True — of course sleep deprivation affects physical health.