Chen, Yinghan, Culpepper, Steven Andrew, Wang, Shiyu, and Douglas, Jeffrey. A Hidden Markov Model for Learning Trajectories in Cognitive Diagnosis With Application to Spatial Rotation Skills. Retrieved from https://par.nsf.gov/biblio/10125830. Applied Psychological Measurement 42.1 Web. doi:10.1177/0146621617721250.

Chen, Yinghan, Culpepper, Steven Andrew, Wang, Shiyu, & Douglas, Jeffrey. A Hidden Markov Model for Learning Trajectories in Cognitive Diagnosis With Application to Spatial Rotation Skills. Applied Psychological Measurement, 42 (1). Retrieved from https://par.nsf.gov/biblio/10125830. https://doi.org/10.1177/0146621617721250

Chen, Yinghan, Culpepper, Steven Andrew, Wang, Shiyu, and Douglas, Jeffrey. "A Hidden Markov Model for Learning Trajectories in Cognitive Diagnosis With Application to Spatial Rotation Skills". Applied Psychological Measurement 42 (1). Country unknown/Code not available. https://doi.org/10.1177/0146621617721250. https://par.nsf.gov/biblio/10125830.

@article{osti_10125830,
place = {Country unknown/Code not available}, title = {A Hidden Markov Model for Learning Trajectories in Cognitive Diagnosis With Application to Spatial Rotation Skills}, url = {https://par.nsf.gov/biblio/10125830}, DOI = {10.1177/0146621617721250}, abstractNote = {}, journal = {Applied Psychological Measurement}, volume = {42}, number = {1}, author = {Chen, Yinghan and Culpepper, Steven Andrew and Wang, Shiyu and Douglas, Jeffrey}, }