Abstract
An Apple II microcomputer and electronic interface extends the automatic vocal transaction analyzer (AVTA) approach from dyads to groups, examining the on-off patterns of vocalization among up to eight persons at once. The system eliminates spurious cross talk among microphones, recognizes one person speaking alone, and recognizes several persons speaking at once. Data are included to show how well the system performs with a group of five. On-off patterns of vocalization can be used to investigate differences among groups or among individuals within a group (e.g., in status, dominance, or leadership).
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References
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Dabbs, J.M., Swiedler, T.C. Group AVTA: A microcomputer system for group voice chronography. Behavior Research Methods & Instrumentation 15, 79–84 (1983). https://doi.org/10.3758/BF03203444
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DOI: https://doi.org/10.3758/BF03203444