This text investigates the fundamental principles and practical methodologies required to conduct effective educational assessments for students experiencing learning difficulties. Author Gerald Wallace provides a comprehensive framework for educators, synthesizing technical assessment standards with the ethical and legal requirements necessary for classroom application. The work serves as a foundational guide for diagnosing academic and non-academic performance gaps to inform targeted instructional interventions.

The subject matter points to a foundational, technical resource intended for practitioners and students of special education. Its structured approach to diagnostic assessment suggests a focus on standardized methodology and the practical application of testing data in school environments.