Understanding and motivating students' feedback seeking behavior is essential for the success of lean startup based entrepreneurship programs. Therefore, in this study, we investigated how cost-value perceptions and student social capital influence feedback seeking behavior and entrepreneurial self-efficacy as the outcome. Longitudinal data were collected from 289 Dutch students who completed a questionnaire at the beginning, middle, and end of an experiential entrepreneurship program that employed the lean startup method. Results showed that students who valued the feedback and perceived supportive student-student relationships sought feedback more frequently, which subsequently, increased entrepreneurial self-efficacy. Neither perceived costs of feedback seeking, such as the risk of feeling embarrassed and investment of time and energy, nor supportive teacher-student relationships related to feedback seeking frequency. We expected that students' relationships with teachers