Does the voice improve with vocal hygiene education? A study of some instrumental voice measures in a group of kindergarten teachers

Carding, 1992, An evaluation study of voice therapy in non-organic dysphonia, Eur J Disord Commun, 27, 137, 10.3109/13682829209012036 Froeschels, 1952, Chewing method as therapy, Arch Otolaryngol, 56, 427, 10.1001/archotol.1952.00710020449010 Boone, 1983 Froeschels, 1943, Hygiene of the voice, Arch Otolaryngol, 38, 122, 10.1001/archotol.1943.00670040133003 Van Thal, 1961, Dysphonia, Speech Pathol Ther, 4, 1 Johnson, 1985 Fawcus, 1986, Hyperfunctional voice: the misuse and abuse syndrome, 158 Cooper, 1977, Direct vocal rehabilitation Wilson, 1987 Aronson, 1990 Colton, 1990 Moore, 1977, Have the major issues in voice disorders been answered by research in speech science? A 50 year retrospective, J Speech Hear Disord, 42, 152, 10.1044/jshd.4202.152 Reed, 1980, Voice therapy: a need for research, J Speech Hear Disord, 45, 157, 10.1044/jshd.4502.157 Hillman, 1990, The efficacy of speech-language pathology intervention: voice disorders, Semin Speech Lang, 11, 297, 10.1055/s-2008-1064259 Nilson, 1983, Classroom program for the prevention of vocal abuse and hoarseness in elementary school children, Lang Speech Hear Serv Schools, 14, 121, 10.1044/0161-1461.1402.121 Kaufmann, 1991, An exemplary preventative voice program for educators, Semin Speech Lang, 12, 40, 10.1055/s-2008-1064209 Yiu, 1991, Voice problems in Hong Kong: a preliminary report, Aust J Hum Commun Disord, 19, 45, 10.3109/asl2.1991.19.issue-1.04 Yiu, 1991 Yiu, 1990 Laver, 1980 Kay Elemetrics Corp., 1990 Abberton, 1989, Laryngographic assessment of normal voice: a tutorial, Clin Linguistics Phonetics, 3, 281, 10.3109/02699208908985291 Laver, 1992, Acoustic waveform perturbations and voice disorders, J Voice, 6, 115, 10.1016/S0892-1997(05)80125-0 Baken, 1987 Fukazawa, 1988, Acoustic analysis of hoarse voice: a preliminary report, J Voice, 2, 127, 10.1016/S0892-1997(88)80068-7 Hartmann, 1984, Acoustic measurement of voice quality in central dysphonia, J Commmun Disord, 17, 425, 10.1016/0021-9924(84)90004-2 Koike, 1973, Application of some acoustic measures for the evaluation of laryngeal dysfunction, Studia Phonol, 7, 17 Zyski, 1984, Perturbation analysis of normal and pathological larynges, Folia Phoniatr, 36, 190, 10.1159/000265739 Karnell, 1991, Laryngeal perturbation analysis: minimum length of analysis window, J Speech Hear Res, 34, 544, 10.1044/jshr.3403.544 Davis, 1981, Acoustic characteristics of laryngeal pathology Kitzing, 1986, LTAS criteria pertinent to the measurement of voice quality, J Phonetics, 14, 477, 10.1016/S0095-4470(19)30693-X Hammarberg, 1986, Acoustic and perceptual analysis of vocal dysfunction, J Phonetics, 14, 533, 10.1016/S0095-4470(19)30704-1 Lofqvist, 1987, Long-time average spectrum of speech and voice analysis, Folia Phoniatr, 39, 221, 10.1159/000265863 Frokjaer-Jensen, 1976, Registration of voice quality, Bruel Kjaer Techn Rev, 3, 3 Frokjaer-Jensen, 1989, Changes in the respiratory and phonatory efficiency during an intensive voice training course Kitzing, 1990, Clinical applications of electroglottography, J Voice, 4, 238, 10.1016/S0892-1997(05)80019-0 Frokjaer-Jensen, 1983, Can glottography be used in the clinical practice? Ho, 1990, Materials for vocal hygiene education Prater, 1984 Yiu, 1992, Voice disorders Siegel, 1956 Luby, 1977