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DELAYED AUDITORY FEEDBACK: CHANGES IN THE VOLUME INTENSITY AND THE DELAY INTERVAL AS VARIABLES AFFECTING THE FLUENCY OF STUTTERERS‘ SPEECH
Author(s) -
GIBNEY NOEL J.
Publication year - 1973
Publication title -
british journal of psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.536
H-Index - 92
eISSN - 2044-8295
pISSN - 0007-1269
DOI - 10.1111/j.2044-8295.1973.tb01326.x
Subject(s) - fluency , psychology , audiology , interval (graph theory) , auditory feedback , stuttering , volume (thermodynamics) , duration (music) , developmental psychology , mathematics , acoustics , neuroscience , physics , medicine , mathematics education , combinatorics , quantum mechanics
The effects of delayed auditory feedback (DAF) on the speech of stutterers was studied at three volume levels and three delay intervals. Using a Latin‐square design nine stutterers read nine different, carefully selected passages under the nine experimental DAF conditions. The two dependent variables were: (1) certain well‐defined disfluencies, and (2) the number of words read by each subject. The results indicated: (1) that the DAF volume level significantly affected both the dependent variables, (2) that the main effect of delay failed to reach significance, and (3) that there was no significant interaction between volume and delay.