Examination of variation of embodiment and media richness
We were able to incorporate moderate amounts of variation of embodiment and media richness into the experimental websites by implementing two design components. Based on the scores in the survey from 80 subjects, the embodiment measures ranged from 1 to 7, with a mean of 3.4 and a variance of 1.9, and the media richness scores ranged from 1 to 7, with a mean of 5.61 and a variance of 1.1. ANOVA tests were conducted to examine whether the two design components produced different levels of embodiment and media richness across the experimental conditions. The results show that the embodiment (p < 0.01) and media richness (p < 0.01) differed statistically across the four conditions specified in the experiment. Post hoc analysis using the Sheffe tests in Table 2 shows two levels of perceptions of embodiment and media richness. Participants in voice and text chatting without avatar support perceived a low level of embodiment; however, participants in voice and text chatting with avatar support perceived a high level of embodiment. These results indicate that avatar support affects perceived embodiment without any interaction with the chatting types. The results also show that participants in voice chatting with or without avatars perceived a high level of media richness, whereas participants in text chatting with or without avatars perceived a low level of media richness. These results also indicate that the type of communication channel matters in terms of perceived media richness without reference to whether an avatar is involved. These results of the manipulation checks support our underlying assumption of the independence of embodiment and media.
Examination of variation of embodiment and media richnessWe were able to incorporate moderate amounts of variation of embodiment and media richness into the experimental websites by implementing two design components. Based on the scores in the survey from 80 subjects, the embodiment measures ranged from 1 to 7, with a mean of 3.4 and a variance of 1.9, and the media richness scores ranged from 1 to 7, with a mean of 5.61 and a variance of 1.1. ANOVA tests were conducted to examine whether the two design components produced different levels of embodiment and media richness across the experimental conditions. The results show that the embodiment (p < 0.01) and media richness (p < 0.01) differed statistically across the four conditions specified in the experiment. Post hoc analysis using the Sheffe tests in Table 2 shows two levels of perceptions of embodiment and media richness. Participants in voice and text chatting without avatar support perceived a low level of embodiment; however, participants in voice and text chatting with avatar support perceived a high level of embodiment. These results indicate that avatar support affects perceived embodiment without any interaction with the chatting types. The results also show that participants in voice chatting with or without avatars perceived a high level of media richness, whereas participants in text chatting with or without avatars perceived a low level of media richness. These results also indicate that the type of communication channel matters in terms of perceived media richness without reference to whether an avatar is involved. These results of the manipulation checks support our underlying assumption of the independence of embodiment and media.
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