The current study empirically tested the effectiveness of a modular approach to integrating professional development across an undergraduate psychology curriculum. Researchers conducted a two-group, between-subjects experiment on 269 undergraduate psychology students assessing perceptions of professional preparedness and learning. Analysis revealed those participating in the modular approach had a higher understanding of and investment in the psychology major, a higher awareness of professional development opportunities, higher knowledge of career options with a background in psychology, and better knowledge of professional development activities. Quiz scores indicate that students learned about professional development from the modules. Overall, the results imply that a modular approach to professional development can be effective and beneficial to students. Psychology programs should consider utilizing similar approaches in their curricula.