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JobCannon
Deductive Reasoning Test

Very Strong Deduction

Misses here are more often misreadings than gaps

In a nutshell

Very Strong Deduction covers 20 to 22 correct answers out of 25, or 80 to 91 percent.

Reversed statements, double negatives and incomplete orderings are generally handled without being pulled toward the answer that sounds right. With only three to five questions missed, a single miss is as likely to come from a misread word or a skipped line as from a gap in the reasoning. This is a percent-correct band on these 25 JobCannon questions, not a comparison with other people: the test has no published norms and has not been through a formal reliability study.

Strengths

  • Negated and reversed statements, such as "no member who joined late has voting rights", are unpacked correctly in most items.
  • Orderings that leave one item unplaced are solved without assuming where that item sits.
  • Both halves of an either-or or exactly-one-is-true problem are tested before an answer is accepted.
  • Plausible-but-unforced options are rejected consistently, which is the main skill this test targets.
  • At this level a clear gap between the four sub-scores stands out, and one weak question type is worth a second look.

Growth Edges

  • Small words get misread: "at least" for "exactly", "before" for "immediately before", or a quantifier dropped from the question line.
  • Confidence can skip the counter-example check on a question that looks familiar, even when its wording carries a twist.
  • Case-splitting is long work, and one slip in the second case spoils an answer that the first case got right.
  • A premise that seems implausible gets quietly corrected in the head, although the test asks only what follows from the statements as given.
  • A miss can be put down to a flawed question when the cause was a reading error, which closes off the chance to learn from it.

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Frequently Asked Questions

What does a Very Strong Deduction result mean?

It means 20 to 22 of the 25 questions were answered correctly, which is 80 to 91 percent. Multi-step chains, negatives and partial orderings were handled well. The band describes how the answers went on these JobCannon questions and is not a ranking against other people, since the test has no comparison group.

How do I tell a misread from a gap in reasoning?

Ask whether you could have solved the question if someone had read it aloud slowly. If yes, the miss was a reading error. Before choosing, mark three things: the quantifier ("all", "some", "no", "at least"), the direction of any rule, and whether the question asks what must be true, could be true or cannot be true.

How much is one question worth at this level?

Four percentage points, because each of the 25 questions is worth the same. That matters at the edges: 20 correct is the first score in this band and 19 is the last in the one below, while 22 here and 23 in the next band differ by one answer. Treat the band name as a rough label and read the sub-scores.

What would be harder practice from here?

Multi-condition scheduling puzzles, exactly-one-is-true problems that need several cases, and the worked examples on valid versus true arguments. An introductory formal logic text is another step, because it names the patterns you may already be using by feel. Time yourself on ordering puzzles, since those are the questions that cost the most minutes.

Results Library content is educational, not a clinical assessment.