Two Alphabets: A Follow-Up

Abstract

perimental classes were taught in the same way and that data were secured according to plan. The study was continued the following year, when the pupils were in second grade. In five of the seven schools, the pupils from both the experimental and the control classes were assigned randomly to secondgrade classes. In two schools, the experimental and the control classes remained intact because the experimental pupils needed more work with the initial teaching alphabet. Because a number of pupils moved away during the first year of the study, it was necessary to make comparisons of the second-grade pupils who remained to determine whether the experimental and the control groups were comparable-as they had been in first grade-with respect to scores on a test of intelligence and also chronological age. There were now 132 experimental pupils and 123 control pupils for whom all data were available from the beginning of the study. Original scores obtained by