The effectiveness of computer-assisted instruction,. mnemonics, and constant time delay procedures to teach basic keyboarding skills and letter/sound correspondence was investigated in this study. The study was done with an elementary-school child who has been described as having a mental disability and a speech language impairment.· He has been diagnosed with Robinow Syndrome and Attention Deficit Hyperactivity Disorder. Research has shown that computers are an effective method for teaching students with disabilities who have difficulties with paper-and-pencil tasks. Data were collected twice a week over a six-week period. The results indicated that mnemonics was ·effective in teaching letter/sound correspondence. However, no conclusions were drawn for the use of computer-assisted instruction and the constant time delay procedure in teaching basic keyboarding skills
