The handbook reviews approximately 150 educational tests and their uses within the total process of educational assessment for students who have academic difficulty because of mental retardation; learning disabilities; physical handicaps; emotional, sensory, and social disorders; other health impairments; and related problems. Introductory information covers the purposes of testing (e.g., referral, screening, eligibility determination, instructional planning); types of tests and characteristics (group versus individual, norm-referenced versus criterion-referenced, and formal versus informal); student centered vs environmental centered assessment; kinds of assessment information; areas of concern for assessment (e.g., academic or behavior problems); test reliability and validity; and protection in evaluation procedures. Tests are then described under the following categories: intelligence, speech and language, perceptual motor skills, adaptive behavior, diagnostic systems, reading, mathematics, written expression and spelling, academic achievement, personality, instruments and procedures for assessing young children, and vocational assessment and evaluation. Usually provided for each test is name, address of publisher and phone number, type of test, method of assessment, age/population test is intended for, and purpose. An index of tests is provided. Four references are provided. (DB)