Most points lost in aptitude tests come from unfamiliar formats, not hard questions. Tell us what you're applying for and we'll light up the tests to practise.
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What reasoning tests are, in short
A reasoning test is a timed aptitude test that measures how well you solve unfamiliar problems using numbers, words, shapes or mechanical diagrams, with one correct answer per question.
By What's Your IQ · Updated 4 Oct 2026
Families
Numerical, verbal, abstract and logical, spatial and mechanical, accuracy
Typical length
20–35 minutes per test
Used by
Graduate employers, assessment centres and admissions tests
Scored as
A percentile against other test-takers
Every reasoning test, by family
Each family tests a different kind of reasoning. Practice versions explain every answer and don't record a score.
Numbers
STEP 0
+15%
Numerical Reasoning30 min · 40 QsTables, charts, percentages and ratios in business contexts.
Schmidt and Hunter's 1998 meta-analysis put general mental ability among the best single predictors of job performance (.51). Sackett and colleagues' 2022 re-analysis, using different statistical corrections, puts it closer to .31: still useful, but smaller than once thought.
THE PRACTICE EFFECT
First try
+0.26 SDRetest
Across 107 samples, people scored about a quarter of a standard deviation higher simply by retaking the same type of test. Format familiarity is worth real points.
Schmidt, F. L., & Hunter, J. E. (1998). The validity and utility of selection methods in personnel psychology. Psychological Bulletin, 124(2), 262–274.
Sackett, P. R., Zhang, C., Berry, C. M., & Lievens, F. (2022). Revisiting meta-analytic estimates of validity in personnel selection. Journal of Applied Psychology, 107(11), 2040–2068.
Hausknecht, J. P., Halpert, J. A., Di Paolo, N. T., & Moriarty Gerrard, M. O. (2007). Retesting in selection: A meta-analysis of coaching and practice effects for tests of cognitive ability. Journal of Applied Psychology, 92(2), 373–385.
Reasoning tests, explained
Numbers vs words
NUMERICAL•Tables & charts•Percentages, ratios•Pick the figure
VERBAL•A short passage•One statement•True · False · Can’t say
Both test reasoning under time pressure, not school knowledge.
Practice really helps
1Do one untimed practice set2Read why each answer is right3Then sit the timed test
Retakes score about 0.26 SD higher on average, mostly from format familiarity.