This study investigated the development of second-year student teachers’ research knowledge and changes in their beliefs and attitude towards research during an introductory research course at an institute for primary teacher education. Remarkably the student teachers’ initial beliefs towards research were already quite positive. The results showed that student teachers’ knowledge about research grew during the introductory course and that their positive beliefs about research became more positive, while their negative beliefs about research decreased. Furthermore, student teachers’ self-efficacy regarding research appeared related to their beliefs and attitude.