audio-only>control. Results indicated that for duration the percent of correctly classified (PCC) was only 14.26%, or, 6 of the 42 infants matched this pattern completely with respect to their duration scores (randomization probability(p)=.36). More specific comparisons showed more infants demonstrating equal or longer durations for the audio-only (PCC=57.14, p=.03) and audio-video (PCC=61.90, p=.01) conditions when compared to the control condition. Additionally, more infants showed longer durations of positive responding for the audio-only condition compared to the audio-visual condition (PCC=52.38, p=.15). With regard to the intensity of positive emotional responding, results indicated that only 5 of the 42 infants (PCC=11.90, p=.47) matched this expected pattern completely. Specific ordinal comparisons showed a greater number of infants with equal or higher emotional responding for the audio-only (PCC=61.90, p=.01) and audio-video (PCC=61.90, p<.01) conditions compared to the control condition. Once again, the audio-video condition did not yield greater emotional intensity compared to the audio-only (PCC=35.71, p=.80). DISCUSSION: Although little overt laughter occurred, our original hypothesis was supported in that more infants were found to display positive emotional responses of greater intensity and longer duration in the audio-only and audio-video conditions compared to the control condition. However, inconsistent with our hypothesis, a greater number of infants responded with positive emotion of greater intensity and longer durations to the audio-only condition compared to the audio-video condition. These findings indicate that infants were capable of converging emotionally with their peers when provided with an emotionally charged stimulus. However, the audio-video condition may have been too stimulating to produce greater levels of positive emotion in more infants than the audio-only condition. Content is hosted by All Academic Inc, a leading provider of online hosting and software solutions for academic conferences supporting submission, peer review, scheduling, invitaions, volunteers, scheduling, web-based programs, advanced bulk email, custom workflows, and more for conferences of scholarly societies since 1999." />
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Poster #150 - Measuring the Occurrence and Development of Positive Emotional Contagion in Infants Using Observation Oriented Modeling

Sat, April 8, 12:15 to 1:30pm, Austin Convention Center, Exhibit Hall 4

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