This article reviews the history of intelligence measurement in the Sultanate of Oman, based on different aspects of historical evidence. These intelligence measurements have been used to describe activities of the Omani citizens. Since there is no unique Omani intelligence test, researchers conducted studies to standardize different intelligence…

The concurrent and predictive validities of the Naglieri Nonverbal Ability Test (NNAT) and Raven's Colored Progressive Matrices (CPM) were investigated in a large group of Italian third-and fifth-grade students with different sociocultural levels evaluated at the beginning and end of the school year. CPM and NNAT scores were related to math and…

We present analyses of the impact of morphological awareness on spelling. Initial measures of morphological awareness and a number of control measures were taken at age 7 and spelling was assessed two years later (n = 115). Results indicated that the appreciation of morphology in oral language makes a contribution to spelling that is impervious to…

We examined the relationship between rapid naming speed (RAN) and Chinese character recognition accuracy and fluency. Sixty-three grade 2 and 54 grade 4 Taiwanese children were administered four RAN tasks (colors, digits, Zhu-Yin-Fu-Hao, characters), and two character recognition tasks. RAN tasks accounted for more reading variance in grade 4 than…

The purpose of this study was to compare the effectiveness of the Raven's Standard Progressive Matrices, the Naglieri Nonverbal Abilities Test (NNAT), and the Iowa Test of Basic Skills (ITBS) in selecting for ethnically diverse students who may be gifted. The participants of the study were 175 students enrolled in Grades 3-5 and Grade 8 in a…