Examines preschoolers' understanding of non-observable causal mechanism in causes of illness. Three studies were conducted using subjects from university child care centers. Subjects average five years of age. Results indicated that preschoolers recognize that appearances may be deceiving when it comes to judging causes of illness. Discusses…

The purpose of this research was to determine whether student achievement in reading and spelling could be improved by using a typewriting instructional technique rather than a handwriting technique. The subjects were 23 second, third, and fourth grade students who scored significantly below the norms on segments of the Illinois Test of…