This article discusses the growing interest in computer-adaptive testing, which supporters say can help guide instruction, increase student motivation, and determine the best use of resources for districts. This method of testing shortens the test by not asking high-achieving students questions that are too easy for them, and likewise not giving struggling students questions that are too hard. However, computer-adaptive assessments are not the best way to evaluate students in every situation, experts point out. Though, they recognize the potential of computer-adaptive testing, experts also voice caution in using this kind of method.