Results of initial usability tests of students using the LearnChemE screencasts. Available at http://www.learncheme.com. Mark Werner and Katherine Allison University of Colorado Boulder#ParticipatoryDesign #GraduateStudentandNewEvaluators #2014Conference #Screencasts #STEMEducationandTraining #Collaborative,ParticipatoryandEmpowermentEval #usability