Tier 0 · 10
Rapid orientation; core sampling; two categories may have no questions.
PCS INTELLIGENCE · VERSION 3.2
Choose your assessment tier.
Five testing lengths, a balanced 12-category / 6-domain question set, private results and transparent calibration evidence. Choose the extended 250-item edition for the deepest experimental report.
Tier 1 · 20
Preliminary screen; uneven sampling across 12 categories.
Tier 2 · 50
Balanced core sample; roughly four questions per category.
Tier 3 · 100
Detailed descriptive profile; roughly eight questions per category.
Tier 4 · 250
Extended research profile; 20–21 questions per category and extensive missed-item review.
Scientific status: Standard IQ population distribution is externally established, but it has not been statistically linked to PCS item performance. Scores labeled experimental cannot be interpreted as verified IQ measurements.