%0 Conference Proceedings %B CHI 2018, 36th Annual ACM Conference on Human Factors in Computing Systems. %D 2018 %T Enhancing Online Problems Through Instructor-Centered Tools for Randomized Experiments. %A Williams, J. J. %A Rafferty, A. %A D. Tingley %A Ang, A. %A Lasecki, W. S. %A Kim, J. %B CHI 2018, 36th Annual ACM Conference on Human Factors in Computing Systems. %G eng