Item Construction and Psychometric Models Appropriate for Constructed Responses
Reference1 articles.
1. Bennett, R. E., Rock, D. A., Braun, H. I., Frye, D., Spohrer, J. C, & Soloway, E. (1990). The relationship of constrained free-response to multiple-choice and open-ended items. Applied Psychological Measurement, 14, 151-162.