These limitations touch on the issues of how validity and reliability are addressed in qualitative studies. Strategies that were employed for addressing the concerns of validity and reliability are fully discussed in Chapter 3. It has limited wordprocessing capability and can be connected with a computer to send and receive computer files. Material is reviewed with the use of a built-in speech synthesizer. The keys when depressed simultaneously, create embossed dots on the paper.
Print is placed under a camera and is enlarged on a television screen.
Voice pitch may or may not be altered. It is demonstrated when an individual achieves an eight-grade reading level on an objective test that is presented in the preferred reading medium, with commensurate writing skills in the same medium. It is demonstrated when an individual with a visual impairment, when necessary, independently gains access to print, thereby allowing meaningful communication with others through written language. A camera is moved across the printed page and the device converts the printed image into a tactile image which can be felt by the blind person. A Braille slate is a frame generally made of metal or plastic which is used as a guide for punching Braille dots with a stylus.