As the educational system continues to evolve, it is essential that educators of today devise innovative and strategic approaches to program development and assessment. The Handbook of Research on Program Development and Assessment Methodologies in K-20 Education is an essential reference source for the latest terminology and concepts related to program development. Featuring extensive coverage on a broad range of topics such as cognitive diagnostic assessments, self-directed learning, and digital education, this publication is ideally designed for educators, students, program designers, and librarians seeking current research on inventive strategies and practices to enhance education in the 21st century.