Articles
Straight answers to the questions people ask about aptitude tests, admissions tests and quant interviews, with the sources. For how each question type works, see the guides; for the tests one by one, aptitude tests.
- Is spaced repetition worth it for test prep? What the evidence shows, and when it doesn't helpFor what you must remember on test day, yes: spacing and self-testing are the two study methods with the strongest evidence. How to use them, and limits.
- What is the Wonderlic test, and what is a good score? Why the old numbers no longer apply50 questions in 12 minutes, plus motivation and personality parts. Why Wonderlic says there's no universal good score now, and how to prepare anyway.
- What is a good GRE score? The 2026–27 percentiles and how to set your targetThe average is about 151 Verbal and 158 Quant. ETS's latest percentiles, why 170 Quant is only the 89th percentile, and how to set a target.
- How is the digital SAT scored? Modules, adaptive difficulty and what counts400 to 1600, from two adaptive sections. How the second module is chosen, why two people with the same number right can score differently, and what to do.
- Is the CCAT hard? Why almost nobody finishes, and how to prepareThe questions are not hard; the clock is. 50 questions in 15 minutes, the average is 24 right and under 1% finish. What that means and how to prepare.