This questionnaire is designed by a group of STEM students to investigate readers' preferences between e-books and printed books. There is no right or wrong answer; just think about what you usually notice and respond honestly. The purpose of this survey is to understand the factors influencing reading format choices. Rest assured that all responses will remain confidential and will only be used for research purposes. This survey should take no more than 5 minutes of your time. Your contribution is highly appreciated.