This study attempted to determine the influence of prior knowledge in mathematics of students on learner-interface interactions in a learning-by-teaching intelligent tutoring system. One hundred thirty-nine high school students answered a pretest (i.e., the prior knowledge in mathematics) and a posttest. In between the pretest and posttest, they…

The use of classwide peer tutoring with six at-risk fourth graders resulted in moderate to substantial improvements in spelling performance for five students. In a second experiment, the addition of "Language Master" to the tutoring process resulted in only slightly greater improved performance for two of four students. (Author/DB)

Group classes with 30-40 children per teacher favor the children who catch on fast. These children participate more in class and give more feedback to the teacher, so the teacher gears instruction to them and goes too fast for students who are having difficulty. Peer and cross-age tutoring, can supplement class learning and help the below-average…