Reviews possible sources of reinforcement in computer assisted instruction and systematic utilization of these sources in courseware design. Sources reviewed include reinforcement from the machine itself; from the content of the instructional modules and its arrangement in a learning sequence; and from sources external to the modules. (MBR)

Evidence is offered that children with specific language impairment often have serial memory difficulties. Research on the difficulties such children have in rote counting and in learning nursery rhymes is reviewed. Implications of current research for assessment and intervention in mathematics and rhymes are discussed. (DB)

Reviews concepts proposed by researchers in linguistics, psychology, philosophy, and artificial intelligence, who have applied their knowledge and skills to the study of human information processing--i.e., memory content, storage, encoding, and retrieval. Guidelines derived from theory for use by instructional designers and subject specialists in…