This text investigates the foundational methodologies and practical applications of educational research within the context of classroom teaching and school library management. The author, Craig A. Mertler, provides a structured framework designed to bridge the gap between academic inquiry and daily pedagogical practice. By synthesizing research design with classroom-based data collection, the book offers educators a systematic approach to evaluating their own instructional effectiveness and student outcomes.

The text serves as a functional, technical manual for practitioners seeking to implement evidence-based practices in educational settings. Its focus on the intersection of research methodology and professional application makes it a standard resource for those navigating the complexities of school-based inquiry.