The relationships between visuo-spatial abilities and geometry performances in school-aged children were examined. A battery of tests assessing non-verbal reasoning, visuo-spatial mental imagery, and academic achievement in geometry (i.e., geometric knowledge and geometric problem-solving competencies) was presented to 162 8-9.5-year-old pupils…

Growth in working memory capacity, the number of items kept active in mind, is thought to be an important aspect of childhood cognitive development. Here, we focused on participants' awareness of the contents of their working memory, or "meta-working memory," which seems important because people can put cognitive abilities to best use…

In the present study, 144 second- and 150 fourth-grade Chinese students were recruited to complete a Chinese character learning task to explore the specific contributions of sensory-motor components (i.e., visual, motor, and haptic systems) of handwriting to Chinese character learning. After matching for age, nonverbal IQ, and a series of…

The purpose of the present study was to examine the effects of a program that offered sustained strategic reading instruction on reading abilities of third and fourth graders. The study was conducted among 1,469 children from 40 schools in the Netherlands. Schools were randomly assigned to either the experimental or control group. Multilevel…

This study investigated some relationships between age, socioeconomic status (SES), and cognitive task performance among 120 Canadian children from Grades 1 and 4. Subjects were administered a battery of tasks, including Raven's Colored Progressive Matrices and Peabody Picture Vocabulary Test, which differed in transformational requirements and…