This study compared the effectiveness of a training procedure involving groups of elementary school students to an individualized training procedure, both of which utilized the Raven Learning Potential (LP) measure to assess improved performance. The development of a group training procedure using the Raven Progressive Matrices aimed at an…

The central question for this study is whether the improvement of group instruction can increase achievement to the same level as or even higher than that produced by the feedback-corrective process used in mastery learning. It is hoped that the findings can be of interest to developing countries. (RL)