The Behavior Rating Scale measures behavioral skills by observing the child during the administration of other tests. The rating dimensions include independence, concentration, tractability, attitude and disposition toward testing, and overflow behavior. All are scored on a scale of 0-4, low to high. (PR)

In order to identify orientation and mobility skills essential for young blind children, a master list of skills was compiled from developmental studies and teachers' observations and formed into a scale comprised of 47 subscales, each of which had three or more items arranged in developmental order. Scaling was done by jury judgment and by full…