INDSCAL Analysis of Perceptual Judgments for 24 Consonants via Visual, Tactile, and Visual-Tactile Inputs Twenty-four normal-hearing subjects received CV stimuli of uni- and bisensory inputs through the visual (speechreading), tactile (touch), and visual-tactile (speechreading and touch) modalities. Stimuli were presented via either a videotape monitor or a tactile vibrator or both. The purposes were to investigate the contribution of the tactile modality in uni- ... Tutorial
Tutorial  |   March 01, 1976
INDSCAL Analysis of Perceptual Judgments for 24 Consonants via Visual, Tactile, and Visual-Tactile Inputs
 
Author Affiliations & Notes
  • Jeffrey L. Danhauer
    Bowling Green State University, Ohio
  • Margret A. Appel
    Ohio University, Athens
Article Information
Tutorials
Tutorial   |   March 01, 1976
INDSCAL Analysis of Perceptual Judgments for 24 Consonants via Visual, Tactile, and Visual-Tactile Inputs
Journal of Speech, Language, and Hearing Research, March 1976, Vol. 19, 68-77. doi:10.1044/jshr.1901.68
History: Received June 28, 1974 , Accepted October 28, 1975
 
Journal of Speech, Language, and Hearing Research, March 1976, Vol. 19, 68-77. doi:10.1044/jshr.1901.68
History: Received June 28, 1974; Accepted October 28, 1975

Twenty-four normal-hearing subjects received CV stimuli of uni- and bisensory inputs through the visual (speechreading), tactile (touch), and visual-tactile (speechreading and touch) modalities. Stimuli were presented via either a videotape monitor or a tactile vibrator or both. The purposes were to investigate the contribution of the tactile modality in uni- and bisensory conditions, and to analyze consonantal substitution errors to find perceptual features utilized by the subjects in their decision-making processes. The subjects' consonantal perceptions were phonetically transcribed and submitted to INDSCAL analysis which yielded mainly a four-dimensional solution. The interpretations of these dimensions were primarily closed bilabial, easy to see/hard to see, voiced/voiceless, and front/back place. Additional features were retrieved, but occurred less consistently.

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