I’ve designed a mental calculation test to study it with Rasch analysis.

# Tag: psychometrics

# A hypothetical method for estimating IQ rarity on the right tail

A severely preliminary proposal for a method to estimate the true rarity of extremely high IQ scores.

# Shiny IQ

The probability of someone having an IQ of 155 of higher is about the same as the probability of encountering a shiny Pokémon.