Media type: E-Article Title: Theory, Observation, and Validation: Commentary on Almond, Kim, Velasquez, & Shute Contributor: Markus, Keith A. imprint: Informa UK Limited, 2014 Published in: Measurement: Interdisciplinary Research and Perspectives Language: English DOI: 10.1080/15366367.2014.921033 ISSN: 1536-6367; 1536-6359 Keywords: Applied Mathematics ; Education ; Statistics and Probability Origination: Footnote: