Research view

Title: Reliability and factorial validity of the standard progressive matrices among Kuwaiti children ages 8 to 15 years.
Author: Abdel-Khalek AM.
Abstract:
The Raven Standard Progressive Matrices was administered to a sample of 6,529 children in Kuwait ranging in age from 8 to 15 years. Test-retest reliability (N = 968) ranged between .69 and .85, while Cronbach coefficients alpha ranged from .88 to .93
Journal: Percept Mot Skills. 2005 Oct;101(2):409-12.