Table 2 from Using the Advanced Progressive Matrices (Set I) to assess fluid ability in a short time frame: an item response theory-based analysis. | Semantic Scholar
A spiking neural model applied to the study of human performance and cognitive decline on Raven's Advanced Progressive Matrices - ScienceDirect
Frontiers | Working memory capacity and fluid abilities: the more difficult the item, the more more is better | Psychology
How to solve raven's advanced progressive matrices | Workbook, Raven, Multiple intelligence