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- Clevenger , Theodore Jr. , Motley , Michael T. and Carlile , Larry W. 1967 . “Changes of Heart Rate During Classroom Public Speaking,” . University of Texas . unpublished research report
- Behnke , Ralph R. and Carlile , Larry W. 1971 . “Heart Rate as an Index of Speech Anxiety,” . Speech Monographs , 38 : 65 – 69 .
- Borkovec , Thomas D. , Wall , Robert L. and Stone , Norman M. 1974 . “False Physiological Feedback and the Maintenance of Speech Anxiety,” . Journal of Abnormal Psychology , 83 : 164 – 168 .
Central States Speech Journal
Volume 27, 1976 - Issue 3