This working paper from the RAND Corporation examines the effectiveness of Cognitive Tutor Algebra I (CTAI), a technology-based algebra course designed for pupils at a variety of ability and year levels. The curriculum includes traditional textbook and workbook materials along with automated tutoring software that provides self-paced individualised tuition and attempts to bring pupils to mastery of a topic before they progress further.

Schools participating in the study were matched into similar pairs and randomly assigned to either continue with their current algebra curriculum for two years or to adopt CTAI. The sample included 73 high schools and 74 middle schools in seven US states.

Analysis of post-test outcomes on an algebra proficiency exam found no effects in the first year of implementation, but strong evidence in support of a positive effect in the second year. The estimated effect is statistically significant for high schools but not for middle schools. The authors report that in both cases, the magnitude is sufficient to improve the average pupil's performance by approximately eight percentile points.

Labels: algebra, Cognitive Tutor Algebra I, CTAI, curriculum, mathematics, personalised learning, RAND Corporation, secondary, technology, US

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