Exploring the affordances of computer-based assessment in measuring three-dimensional science learning
by Christopher J. Thompson; Rebecca Hite
International Journal of Learning Technology (IJLT), Vol. 16, No. 1, 2021

Abstract: The Next Generation Science Standards (NGSS) calls for higher proficiency in K-12 science through three-dimensional learning, defined as the integration of core ideas, science practices, and cross-cutting concepts. This indicates a shift from recitation of isolated scientific facts towards a contextualised application of scientific ideas, requiring students to develop and evidence their knowledge by constructing and defending explanations of scientific problems and phenomena. In response to NGSS's three-dimensional science learning, computer-based assessments of novel 3D items were created; permitting more complex responses and evidence of knowledge than traditional multiple-choice questions (MCQs). This case study used task-based interviews to compare students' responses to 3D items against comparable MCQs. Results demonstrate that 3D items are equally or more effective to MCQs for evaluating proficiency in three-dimensional science learning. This research suggests that, with further development, 3D items delivered in an online format are a scalable and suitable tool for statewide accountability testing.

Online publication date: Fri, 04-Jun-2021

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