In 2003, the Program for International Student Assessment (PISA) and Trends in International Mathematics and Science Study (TIMSS) included a special focus on problem-solving. This report reviews the problem-solving aspects of each study in order to compare and contrast the nature of problem solving in each assessment. The report's authors develop and use a definition for problem solving to identify items in the two assessments that address students' problem-solving capabilities. Items that were identified as problem-solving items in the TIMSS and PISA mathematics, science, and Cross-Disciplinary problem-solving assessments were analyzed in terms of six types of item characteristics: (1) content coverage; (2) cognitive processes; (3) problem-solving attributes; (4) item formats; (5) computational aspects; and (6) translation of representations.
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