We report the results of three tasks of two-dimensional pictures, letters and symbols mental rotation (MR) among 9-11 years aged Arabic readers with dyslexia, in order to examine a potential stimulus type effect on MR ability in terms of accuracy and speed. Results showed that readers with dyslexia (n = 32) performed significantly lower and were…

This study investigated the unique contribution of orthographic awareness, letter knowledge, and patterning skills to early literacy and arithmetic competence. A total of 145 third-year kindergarten (K3) children (M[subscript age]: 73.43 months, SD = 5.36; 70 boys, 48%) from Hong Kong participated in this study. Children were assessed on their…

Utilizing a longitudinal sample of Finnish children (ages 6-10), two studies examined how early linguistic (spoken vs. written) and spatial skills predict later development of arithmetic, and whether counting sequence knowledge mediates these associations. In Study 1 (N = 1,880), letter knowledge and spatial visualization, measured in…

Children's early motor competence is associated with social development and academic achievement. However, few studies have examined teacher reports of children's motor skills. This study evaluated the psychometric properties of the Motor Skills Rating Scale (MSRS), a 19-item measure of children's teacher-reported motor skills in the classroom.…

Seven-year-olds who had difficulty understanding 1st-grade work received one of two forms of small-group instruction. Half of the children were randomly assigned to receive four months of instruction in recognizing, comprehending, and reproducing both logical and arbitrary patterns (sequences) involving numbers, letters, shapes, colors,…