Citation
Raczynski, K. R., Cohen, A. S., Engelhard, G., & Lu, Z. (2015). Comparing the Effectiveness of Self-Paced and Collaborative Frame-of-Reference Training on Rater Accuracy in a Large-Scale Writing Assessment. Journal of Educational Measurement, 52(3), 301–318. http://onlinelibrary.wiley.com/doi/10.1111/jedm.12079/full