Hypothesis and Theory Published on 20 Apr 2017 Modeling with a Conceptual Representation: Is It Necessary? Does It Work? in Digital Education Rebecca C. JordanSteven GrayAmanda E. SorensenSamantha PasewarkSuparna SinhaCindy E. Hmelo-Silver Frontiers in ICT doi 10.3389/fict.2017.00007 6,962 views 8 citations