Abstract

Instruction in manual communication techniques continues to be a vital component of many programs that train teachers of hearing-impaired youngsters. The authors have developed precision teaching software, compatible with a TRS-80 Model III 48K double-disk-drive microcomputer, to be used in the teaching of basic sign language skills.

Precision teaching methods monitor student speed and accuracy. To obtain such information, the system has been programmed to compile a list of words presented in class for two 1-minute assessment samples of student performance following instruction. On the first sample, expressive sign language ability is targeted. Written words printed on the monitor must be signed by the student. Receptive skills are tapped on the second sample; the scorer signs a word, and the student identifies it. Throughout the assessment, comprehension and performance are evaluated by the scorer and correct/error responses entered into the computer for subsequent analysis. A data base containing information on each sign presented during the course (i.e., features of motion, placement, hand shape, and linguistic content) has been established to aid in the analysis of students' specific error patterns.

Calculations made to determine speed, accuracy, and relative learning rate (celeration) are further used to identify student performance as acquisition level, skills development level, or skill maintenance and generalization level. Finally, the program provides the student with new performance standards, advises the student on study strategies to be undertaken, and compiles a class profile for the instructor.

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