Sarah Marina KaramarkovichSarah KaramarkovichNorth Carolina State University, Teacher Education and Learning Sciences, Raleigh, NC, USAhttps://orcid.org/0000-0002-5701-1320Sarah Marina KaramarkovichTeomara RutherfordFraction Errors in a Digital Mathematics Environment: Latent Class and Transition Analysis.158-18820195J. Numer. Cogn.2https://doi.org/10.5964/jnc.v5i2.150db/journals/jnc/jnc5.html#KaramarkovichR19Zhongxiu Peddycord-LiuRachel HarredSarah KaramarkovichTiffany BarnesCollin F. LynchTeomara RutherfordLearning Curve Analysis in a Large-Scale, Drill-and-Practice Serious Math Game: Where Is Learning Support Needed?436-4492018AIED (1)https://doi.org/10.1007/978-3-319-93843-1_32conf/aied/2018-1db/conf/aied/aied2018-1.html#Peddycord-LiuHK18Tiffany BarnesRachel HarredCollin F. LynchZhongxiu Peddycord-LiuTeomara Rutherford