This intervention consists of four perceptual learning modules (PLMs) that integrate (1) principles of perceptual learning that accelerate learners’ abilities to recognize and discriminate key structures and relations in complex domains, and (2) adaptive learning algorithms that use a constant stream of performance data, combined with principles of learning and memory, to improve the effectiveness and efficiency of learning by adapting the learning process to each individual. These learning techniques have been combined with an approach to the mathematical content that connects and integrates domains of measurement and fractions to each other and to other core concepts with which they share deep underlying structures. Students in intervention classrooms will complete the four PLMs over the course of their 6th grade year. Research from prior studies conducted with middle school students in Philadelphia indicate strong and long-lasting learning gains with the use of these PLMs.
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