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UID:pretalx-2026-9S8G7Z@conferences.acspri.org.au
DTSTART;TZID=AEST:20261126T140000
DTEND;TZID=AEST:20261126T141500
DESCRIPTION:Kakaotalk\, the most widely used instant messenger in South Kor
 ea\, allows anyone to create open-chat rooms where up to 4\,000 users can 
 converse. Users can search for and anonymously join these rooms by topic. 
 Such rooms may receive hundreds of messages daily\, yet only about ten are
  visible on a single screen. Thus\, tracking the conversation and reviewin
 g another participant’s earlier remarks requires additional effort. Desp
 ite these communicative constraints\, open-chat rooms have not been adequa
 tely examined in research on how users form ties through online conversati
 on. Accordingly\, this study examines how message characteristics and the 
 frequency of co-participation shape the formation of conversation ties in 
 these rooms.\nThe formation of conversation ties may be associated with th
 e extent of similarity in the content of two users’ messages. Users judg
 e from message content how far their interests overlap with another's\, an
 d the presence of someone with similar interests lowers the burden of addr
 essing a stranger\, engaging the tendency to associate with similar others
 .\nFurthermore\, the formation of conversation ties may be associated with
  the similarity of two users’ message lengths. Length may signal the eng
 agement a person brings to the conversation. Long messages elaborate on th
 oughts and experiences\, whereas short ones remain cursory. Users may addr
 ess participants whose message lengths reflect a level of engagement simil
 ar to their own.\nLastly\, the formation of conversation ties may be assoc
 iated with the frequency with which two users participate in the same conv
 ersation. Repeated co-participation in the same conversational stream heig
 htens users’ awareness of one another.\nTo this end\, this study uses a 
 multiple regression quadratic assignment procedure (MR-QAP) to examine how
  message similarity\, differences in message length\, and the frequency of
  co-participation are associated with the subsequent formation of conversa
 tion ties. A total of 110\,515 messages were collected over roughly four m
 onths from an open-chat room focused on AI and divided into two periods\, 
 T1 and T2. Rapid developments in AI quickly render accumulated knowledge o
 utdated\, making this room well suited to observing how users assess one a
 nother and form ties from limited cues. A conversation tie was defined as 
 a directed link from each speaker to the immediately preceding speaker. Th
 e T2 network\, whose nodes were 349 active participants\, served as the de
 pendent variable\, while predictors were constructed from T1. Message simi
 larity was measured by cosine similarity between users’ messages\, lengt
 h difference by the absolute difference between their mean message lengths
 \, and co-participation by the number of times they joined the same conver
 sational stream. The T1 network and measures of preferential attachment\, 
 reciprocity\, and transitivity derived from it were included as controls.\
 nMessage similarity is expected to promote the formation of conversation t
 ies by revealing shared interests when little other information is availab
 le. Message length difference\, by contrast\, is expected to have a negati
 ve effect because a larger difference indicates dissimilar levels of engag
 ement. Co-participation frequency is also expected to have a positive effe
 ct because it increases the likelihood of tie formation through greater mu
 tual awareness and more opportunities to respond.\nOverall\, conversation 
 ties in open-chat rooms are expected to form through immediate responses t
 o message-level cues when participants have little accumulated information
  about one another.  If our expectations are supported\, they extend conve
 ntional accounts to a setting where the cues that guide attention are not 
 records of past activity but the messages themselves. This study provides 
 a starting point for examining how mechanisms identified in prior research
  operate differently in open-chat rooms and which other factors may become
  influential.
DTSTAMP:20261013T070033Z
LOCATION:MacCallum Room
SUMMARY:Who replies to whom? The formation of conversation ties in open-cha
 t rooms - A-young\, Choi
URL:https://conferences.acspri.org.au/2026/talk/9S8G7Z/
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