Graham Adachi-Kriege, Greg Theos, (both undergraduate researchers working with Tim) and Vanna Willerton presented their posters at the CUNY 2019 Conference on Human Sentence Processing (https://www.colorado.edu/event/cuny2019/) held on March 30-April 01. Graham and Vanna covered their recent work on the rate of child over-irregularization errors, focusing on the English past tense. Greg presented his evaluation of a theory of morphological productivity using simulated lexical decision time data.