Weekly vocabulary tests, combined with the daily online activity as reported by Quizlet, show that: 1) utilizing the review software improved the scores of most students, 2) those students who used Quizlet to review more than a single time (i.e., several days before the test) outperformed those who only used the product once, and 3) students who professed proficiency with the “notebook” system of vocabulary learning appeared not to need the treatment.