What tests can and can't tell you.
Visionary Systems is a small psychometrics observatory in Greenville, South Carolina. It builds the Visionary Psychometric Scan, an untimed reasoning instrument now in beta calibration, and it publishes The Visionary, a publication written from inside that calibration.
The Visionary Psychometric Scan
Beta 2.0, in calibration since July 2026
The Scan measures reasoning in a high and narrow band and says so. It sets no clock, requires no outside knowledge, and reports the shape of your reasoning rather than a single number. Most people who start it will not clear The Gate, and the report is written with that in mind: the floor of the instrument is not the floor of the person.
Read how the Scan is built, what it measures, and how to take the Beta.
The Visionary
Launching March 2027
The Visionary writes about psychometrics, norming, and the questions an instrument raises while it is being built. It launches in March 2027. Until then, The Calibration Series runs here as its precursor: one piece a month about building and calibrating the Scan, posted first on r/cognitiveTesting, where the arguments get tested in the comments, and archived here with its original date.
- 1 of 4
What would it actually take to build a defensible high-range test in 2026?
Four factors killed the old high-range model: norming, leakage, practice, and machine solvability. Here is what a defensible instrument would owe in their place.
- 2 of 4
Vocabulary is one of the best measures of g we have, and that is exactly the problem
Vocabulary is among the most g-loaded subtests in any battery and the most sensitive to education, culture, and age. Both halves are true, and the tension points at what a vocabulary measure should actually count.
- 3 of 4
47 started, 8 finished, 6 reached The Zenith: ongoing remarks from calibrating a high-range test
The Scan's design, its numbers so far, where people stop, and what building an untimed instrument has actually involved.
- 4 of 4
Timing pressure conflates speed with ability, so let's get rid of it
The case for removing the clock: what timing constraints actually reward, what the establishment has already conceded, and what an untimed instrument costs in return.
Calibration, in public
As of the September calibration note
Where people stop, how long items take, and what the data says the design got wrong are published as the calibration goes, rather than after it. Nobody publishes their norming in real time; this project does, because the error bars are the product.