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CHAPTER 6. ANALYZING THE TALK.ABORTION NEWSGROUP 94 Table 6.8: Author Reciprocity By Author Groups Author Mean Mean Mean Mean Mean Mean Group Authors Authors Authors Follow Reciprocated Led Followed Reciprocated Led Ratio Ratio Ratio Very Frequent 135.47 414.53 152.93 0.14 0.37 0.14 Frequent 64.25 152.17 67.37 0.35 0.86 0.37 Occassional 29.79 69.36 30.47 0.61 1.38 0.62 Infreqeunt 22.03 41.89 21.77 1.06 1.97 1.04 Very Infrequent 12.20 17.04 12.01 2.20 2.83 2.20 Two-time 6.93 5.91 6.74 3.46 2.95 3.37 One-time 4.38 2.40 4.21 4.38 2.40 4.21 All Authors 9.99 15.14 9.98 3.38 2.49 3.27 F =15:86 F =14:48 F =12:88 p =0:00 p =0:00 p =0:00 other messages than to follow other messages. A final measure of author reciprocity analyzes the type of authors with whom reciprocal relationships are established. A reciprocal relationship is considered present between two authors when at least one message written by the first author either cites or is cited by the other author. In other words, the authors previously labeled as followed, reciprocated and led are summed to form the group of authors with whom a reciprocal relationship exists. As shown in in Table 6.9 on the following page, the average author established a reciprocal relationship with about 35 other participants in the talk.abortion newsgroup during the study period. This represents about one percent of the possible 2,788 relationships that could have been established. The number of reciprocal relationships varies widely across author groups. Very frequent authors established reciprocal relationships with nearly a quarter of the participants, while frequent authors interacted with about ten percent of the other authors. The infrequent authors, who contributed an average of only 15 messages, interacted with an average of 85 authors. Even the one-time only contributors established reciprocal relationships with an average of 11 authors. Within group reciprocity is also shown in Table 6.9. The very frequent authors established reciprocal relationships with 92 percent of the other authors in
CHAPTER 6. ANALYZING THE TALK.ABORTION NEWSGROUP 95 Table 6.9: Number and Percent of Reciprocated Authors By Author Groups Mean Number of Reciprocated Authors Author Group VF F O I VI TT OT Total Very Frequent 13.73 52.20 55.40 86.00 240.20 78.07 177.33 702.93 Frequent 12.07 37.77 28.55 37.85 87.55 24.48 55.52 283.78 Occassional 10.27 23.44 14.04 16.12 35.23 9.63 20.89 129.61 Infrequent 8.04 15.76 8.11 11.34 23.10 6.24 13.09 85.68 Very Infrequent 4.93 7.85 3.83 4.98 10.95 2.94 5.77 41.24 Two-time 2.63 3.62 1.71 2.20 4.81 1.77 2.84 19.58 One-time 1.61 2.17 0.99 1.23 2.50 0.76 1.74 11.00 All Authors 3.35 5.91 3.28 4.31 9.61 2.79 5.88 35.11 Mean Percent of Reciprocated Authors Author Group VF F O I VI TT OT Total Very Frequent 92% 87% 74% 58% 35% 18% 11% 24% Frequent 80% 63% 38% 25% 13% 6% 4% 10% Occassional 68% 39% 19% 11% 5% 2% 1% 4% Infrequent 54% 26% 11% 8% 3% 1% 1% 3% Very Infrequent 33% 13% 5% 3% 2% 1% h1% 1% Two-time 18% 6% 2% 1% 1% h1% h1% 1% One-time 11% 4% 1% 1% h1% h1% h1% h1% All Authors 22% 10% 4% 3% 1% 1% h1% 1% their group, as well as 87 percent of the frequent and 74 percent of the occasional authors. At the other extreme, the one-time authors reciprocated an average of 2.17 very frequent authors, and 1.74 other one-time authors. 6.3 Abortion Density and Metacommunication Density An important aspect of this project is to generate a measure of content quality. Two factors suggested a machine-generated content coding system: the size of the database, which made it impractical to read and code the entire corpus of mes-
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Contents Acknowledgements 7 1 Compu
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List of Figures 3.1 Structure of a
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CHAPTER 1. COMPUTERS, CONVERSATION
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CHAPTER 2. THE PUBLIC SPHERE 15 2.1
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Appendix B Density Scores Table B.1
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APPENDIX B. DENSITY SCORES 165 Tabl
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Appendix C Supplemental Analysis 16
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APPENDIX C. SUPPLEMENTAL ANALYSIS 1
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BIBLIOGRAPHY 177 Best, Michael L. 1
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BIBLIOGRAPHY 179 Fisher, Bonnie, Mi
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BIBLIOGRAPHY 181 Hiltz, Starr Roxan
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BIBLIOGRAPHY 183 Mansbridge, Jane.
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BIBLIOGRAPHY 185 Pateman, Carole. 1
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BIBLIOGRAPHY 187 Savicki, Victor, D
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BIBLIOGRAPHY 189 U. S. Congress, Of
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