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Stains, Marilyne; Escriu-Sune, Marta; Alverez de Santizo, Myrna Lisseth Molina; Sevian, Hannah – Journal of Chemical Education, 2011
Development of learning progressions has been at the forefront of science education for several years. While understanding students' conceptual development toward "big ideas" in science is extremely valuable for researchers, science teachers can also benefit from assessment tools that diagnose their students' trajectories along the learning…
Descriptors: Content Validity, Predictive Validity, Interrater Reliability, Motion