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Zhang, Hongyang; Wink, Donald J. – Journal of Chemical Education, 2021
This paper uses evidence-centered assessment design (ECD) to structure and analyze a laboratory activity where students collect and represent titration curve data to determine acid strength in terms of molarity and dissociation constant. Following principles of multidimensional learning, the activity prompts students to demonstrate knowledge of…
Descriptors: Chemistry, Science Instruction, Evidence, Laboratory Experiments