Contextualizing Mathematical Problem-Solving Instruction for Secondary Students with Extensive Support Needs: A Systematic Replication

Replication research provides evidence to establish, refute, or support evidence-based practices. Systematic replications are also necessary to determine “what works for whom when.” The purpose of this study was to conduct a conceptual systematic replication to evaluate the effectiveness of a multicomponent treatment package on multiplicative problem solving for middle school students with extensive support needs. Using a modified schema-based instructional strategy, three participants were taught to solve percent of change problems contextualized in real-world scenarios and a purchasing strategy (i.e., next-dollar strategy) to help them determine how much money was needed to pay for services/products. In addition, goal-setting and self-graphing activities supported development of self-determination skills. Findings from the multiple probe across participant design demonstrate a functional relation between the intervention and independent problem-solving behaviors of all three participants. Students also generalized problem-solving behaviors when presented with real-world stimuli of coupons and receipts. Implications for practice and future research are discussed.