. Page 22.828.1 c American Society for Engineering Education, 2011 Improved student achievement in Material and Energy Balances using personalized online homeworkAbstractPersonalized, online homework was used to supplement textbook homework, quizzes, and examsfor one section of a course in material and energy balances. The use of online homework duringthe Spring 2010 semester is summarized here and detailed by Liberatore in 1, and additionalresults from Spring 2011 will be included in the presentation. The objective of this study was totest the hypothesis that students using personalized, online homework earned better grades in thecourse. The online homework system asks the same questions of