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Computer-Mediated Communication. Media Richness. “. Media richness theory proposes that media differ in the ability to facilitate changes in understanding among communicators. ”. — Kahai & Cooper 2003. Rich. Lean. Some types of cues. Non-verbal. Verbal. Textual
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Computer-Mediated Communication Media Richness
“ Media richness theory proposes that media differ in the ability to facilitate changes in understanding among communicators. ” — Kahai & Cooper 2003 Computer-Mediated Communication
Rich Computer-Mediated Communication
Lean Computer-Mediated Communication
Some types of cues Non-verbal Verbal Textual • Production cost to encode meaning equivalent to FTF in text Beyond FTF? Computer-Mediated Communication
Feedback • Type of feedback • Acknowledgment — understanding (+/–) • Repair — correction or clarification • Proxy — completion • Immediacy of feedback: more immediate = richer • Concurrent: synchronous nods, mm-hmms • a.k.a. backchannel • Sequential: brief interjection Computer-Mediated Communication
A plausible ranking? Richer Face-to-face Synchronous video Synchronous audio / asynch. video Synchronous text / asynch. audio Asynchronous text Leaner Computer-Mediated Communication
— Clark & Brennan (1991) Computer-Mediated Communication
Media choice vs. media use Types of tasks • “Uncertain” — missing information • “Equivocal” — ambiguous interpretations “Best” medium for an (un)equivocal task • What do managers choose? • What yields the best performance? P.S.: What is “best performance”? Computer-Mediated Communication
Dennis & Kinney hypotheses • H1a: Performance improves as multiplicity of cues increases … • H1b: … more for more equivocal tasks. • H2a: Performance improves as immediacy of feedback increases … • H2b: … more for more equivocal tasks. Computer-Mediated Communication
Mean decision time (D&K) Computer-Mediated Communication
Dennis & Kinney’s findings • Decision time • Decreased with greater multiplicity of cues • Decreased with greater immediacy of feedback • Increased with CMC (vs. AV) more for low equivocality task than for high equivocality task • Consensus change • More change with high equivocality task than low Computer-Mediated Communication
Hyperpersonal communication • Receivers overattribute from limited cues • Assume similarity based on group affiliation • Senders maintain tight control over cues • Selective self-presentation —Little “given off” in text CMC • Bottom line: Exceptionally favorable perception in the face of limited information Computer-Mediated Communication
“ The sensorial parsimony of plain text tends to entice users into engaging their imaginations to fill in missing details while, comparatively speaking, the richness of stimuli in fancy [systems] has an opposite tendency, pushing users’ imaginations into a more passive role. — Curtis (1992) ” Computer-Mediated Communication
Long-term, no photos Social affinity Long-term, photos Short-term, photos Short-term, no photos Computer-Mediated Communication
“ The study of CMC effects is not best served by blanket statements about technology main effects on social, psychological, and interpersonal processes, nor by proclamations that online relationships are less rewarding than FTF ones. Rather, qualities of CMC are … more often the product of interesting and predictable interactions of several mutual influences than main effects of media. — Walther et al. (2001) ” Computer-Mediated Communication
Thursday: Visualizations and Analytic Interfaces Computer-Mediated Communication