The reflection-impulsivity (R-I) dimension of individual variation incognitive processes is discussed. A literature review focuses on studies that have supported the validity of the R-I dimension as a concept, and studies providing evidence of a direct relationship between the R-I dimension and visual scanningstrategies. This study compares the…

Investigations linking communication media experiences and self-concepts suggest that changes in the self-concept of Afro-American students may be acutely affected in instructional environments through group activities employing mediated approaches, participation in the media as producers rather than consumers, and instruction through visual…