Bell Curve of IQ for Processor 40 Matrices

Free IQ-test Processor 40 Matrices

Type: Spatial. 40 questions, 70 minutes.

Cronbach's α: 0.88 at N141. Correlation with pro scales and RIQ r:+0.93 at N41. Norm: 2nd official.

Difficulty: Difficulty 4

Author: Enrico Pretini Italy